This article lists characters in the various canonical incarnations of Star Trek . This includes fictional main and major characters created for the franchise.
| Character | Actor(s) | Appearances | Rank | Posting | Position | Species | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Airiam | Sara Mitich | Seasons 1–2 (DSC) | Lt. Commander | USS Discovery | Science officer | Human cyborg | ||||||||
| Hannah Cheesman | ||||||||||||||
| Jonathan Archer | Scott Bakula | Seasons 1–4 (ENT) | Captain | Enterprise NX-01 | Commanding officer | Human | ||||||||
| Soji Asha | Isa Briones | Seasons 1-2 (PIC) | Civilian | Romulan Reclamation Site | Anthropologist | Android | ||||||||
| Ayala | Tarik Ergin | Seasons 1–7 (VOY) | Lieutenant, JG (provisional) | USS Voyager | Helmsman (S7) Security officer (S1-7) Maquis (previous) | Human | ||||||||
| Azan | Kurt Wetherill | Seasons 6–7 (VOY) | Civilian | USS Voyager Passenger | Wysanti/xB | |||||||||
| Reginald Barclay | Dwight Schultz | Seasons 3–4,6–7 (TNG) Movies (FCT) Seasons 2,6–7 (VOY) | Lt. Commander (VOY) Lieutenant, JG (TNG, FCT) | Starfleet Command (VOY) USS Enterprise-E (FCT) USS Enterprise-D (TNG) | Pathfinder Project (VOY) Engineering officer (TNG, movies) | Human | ||||||||
| Bareil Antos | Philip Anglim | Seasons 1–3,6 (DS9) | Vedek | Bajor resident | Bajoran religious leader (S1-3) | Bajoran | ||||||||
| Julian Bashir | Alexander Siddig | Seasons 1–7 (DS9) Season 6 (TNG) | Lieutenant (S4-7) Lieutenant, JG (S1-3) | Deep Space 9 | Chief medical officer | Human | ||||||||
| B'Etor | Gwynyth Walsh | Seasons 4–5,7 (TNG) Movies (GEN) Season 1 (DS9) | Commander, Klingon Empire | Bird of Prey | First officer | Klingon | ||||||||
| Brad Boimler | Jack Quaid | Seasons 1-4 (LOW) Season 2 (SNW) (Those Old Scientists) | Ensign (Seasons 1-3) Lieutenant, JG (Season 4) | USS Cerritos (Seasons 1-4), USS Titan (Season 2) | Human | |||||||||
| Cleveland "Book" Booker V | David Ajala | Seasons 3-5 (DSC) | Civilian | USS Discovery 1031-A | Courier, Starfleet consultant | Kwejian | ||||||||
| Boothby | Ray Walston | Season 5 (TNG) Season 5 (VOY) | Civilian | Starfleet Academy | Groundskeeper | Human | ||||||||
| Borg Queen | Alice Krige | Seasons 5–7 (VOY) Movies (FCT) Season 2 (PIC) | None | Borg Collective | Leader of Borg Collective | Borg | ||||||||
| Susanna Thompson | ||||||||||||||
| Annie Wersching | ||||||||||||||
| Phillip Boyce | John HoytQ | "The Cage" | Lt. Commander | USS Enterprise | Chief medical officer | Human | ||||||||
| Brunt | Jeffrey Combs | Seasons 3–7 (DS9) | Civilian | Ferenginar resident | Ferengi commerce liquidator | Ferengi | ||||||||
| Ronald Altman Bryce | Ronnie Rowe Jr. | Seasons 1–3 (DSC) | Lieutenant Commander (DSC S4) Lieutenant, JG | USS Curie (DSC S4) USS Discovery | Communications officer | Human | ||||||||
| Gabrielle Burnham | Sonja Sohn | Seasons 2-3 (DSC) | None | Section 31 | Intelligence operative Astrophysicist | Human | ||||||||
| Michael Burnham | Sonequa Martin-Green | Seasons 1–5 (DSC) | Captain (S4-5) Commander (S1-3 Crewman (S1) | USS Discovery (S1-2) USS Shenzhou(S1) | Captain (S4-5) First officer (S3) Science officer (S2) Science specialist (S1) First officer (S1) | Human | ||||||||
| Arista Arhin (as a child) | ||||||||||||||
| Joseph Carey | Josh Clark | Seasons 1,5–7 (VOY) | Lieutenant | USS Voyager | Engineering officer | Human | ||||||||
| Chakotay | Robert Beltran | Season 1 (PRO) Seasons 1–7 (VOY) | Captain Commander (provisional) | USS Protostar (PRO S1) USS Voyager S1-7 | Captain (PRO S1) First officer (VOY S1-7) Maquis (S1) | Human | ||||||||
| Christine Chapel | Majel Barrett | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, TVH) | Commander (TMP, TVH) Crewman (TOS, TAS) | Starfleet Command (TVH) USS Enterprise (TOS, TAS, TMP) | Starfleet Command officer (TVH) Medical officer (TMP) Nurse (TOS, TAS) | Human | ||||||||
| Jess Bush | Seasons 1-2 (SNW) | Crewman (SNW) | USS Enterprise (SNW) | Nurse (SNW) | ||||||||||
| Pavel Chekov | Walter Koenig | Seasons 2–3 (TOS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN) Season 5 (DS9) | Commander (WOK, SFS, TVH, TFF, TUC, GEN) Lieutenant (TMP) | USS Enterprise-A (TVH, TFF, TUC) USS Reliant(WOK) USS Enterprise (TOS, TMP, SFS) | Chief security officer (SFS, TVH, TFF, TUC) First officer (WOK) Weapons officer (TMP) Navigator (TOS) | Human | ||||||||
| Anton Yelchin | ST09, STID, STB | Ensign (ST09, STID, STB) | USS Enterprise (ST09, STID, STB) | Navigator (ST09, STID, STB) | ||||||||||
| Una Chin-Riley ('Number One') | Majel Barrett | "The Cage" Season 2 (DSC) Seasons 1-2 (SNW) | Commander Lt. Commander | USS Enterprise | First officer | Illyrian | ||||||||
| Rebecca Romijn | ||||||||||||||
| J. M. Colt | Laurel Goodwin | "The Cage" | Yeoman | USS Enterprise | Yeoman | Human | ||||||||
| Katrina Cornwell | Jayne Brook | Seasons 1-2 (DSC) | Vice Admiral | Starfleet Command | Admiral of Starfleet | Human | ||||||||
| Kimara Cretak | Adrienne Barbeau | Season 7 (DS9) | Senator | Deep Space 9 | Romulan representative | Romulan | ||||||||
| Megan Cole | ||||||||||||||
| Beverly Crusher | Gates McFadden | Seasons 1,3–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 3 (PIC) | Admiral Civilian Commander | Starfleet Command SS Eleos XII USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1,3-7, GEN) Starfleet Command (S2) | Head of Starfleet Medical (PIC S5) Civilian doctor associated with the humanitarian organization Mariposas(PIC S5, LOW S4) Chief medical officer (S1, 3–7, movies) Head of Starfleet Medical (S2) | Human | ||||||||
| Jack Crusher | Ed Speleers | Season 3 (PIC) | Ensign Civilian | USS Enterprise NCC-1701-G SS Eleos XII | Special counselor to the captain Civilian associated with the humanitarian organization Mariposas | Human | ||||||||
| Wesley Crusher | Wil Wheaton | Seasons 1–4,5,7 (TNG) Season 2 (PIC S2) Movies (NEM) | Civilian (PIC S2) Lieutenant, JG (NEM) Cadet (S4-7) Ensign (S3-4) Ensign (acting) (S1-3) Civilian (S1) | USS Titan(NEM) Starfleet Academy (S4-7) USS Enterprise-D (S1-4) | Traveler (PIC S2) Engineering officer (NEM) Starfleet cadet (S4-7) Helmsman (S1-4) | Human | ||||||||
| Hugh Culber | Wilson Cruz | Season 1–5(DSC) | Commander Lt. Commander | USS Discovery | Doctor | Human | ||||||||
| Jal Culluh | Anthony De Longis | Seasons 1–3 (VOY) | First Maje | Kazon-Nistrim | Leader of Kazon-Nistrim | Kazon | ||||||||
| Elizabeth Cutler | Kellie Waymire | Season 1 (ENT) | Crewman | Enterprise NX-01 | Entomologist | Human | ||||||||
| Leonardo da Vinci | John Rhys-Davies | Seasons 3–4 (VOY) | None | USS Voyager Program | Holographic character | Hologram | ||||||||
| Damar | Casey Biggs | Seasons 4–7 (DS9) | Legate (S7) Gul (S6-7) Glinn (S4-6) | Cardassia Prime CMS Groumall(S4) | Leader of Cardassian Union (S7) Dominion leader (S6-7) Vigilante (S5) Cardassian officer (S4) | Cardassian | ||||||||
| Daniels | Matt Winston | Seasons 1–4 (ENT) | Crewman | Unknown | Temporal agent | Human | ||||||||
| Data | Brent Spiner | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 1 (PIC) | Lt. Commander | USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1-7, GEN) | Chief operations officer (TNG, GEN, FCT, INS, NEM) | Android | ||||||||
| Ezri Dax | Nicole de Boer | Season 7 (DS9) | Lieutenant, JG (S7) Ensign (S7) | Deep Space 9 | Counselor | Trill | ||||||||
| Jadzia Dax | Terry Farrell | Seasons 1–6 (DS9) | Lt. Commander (S4-6) Lieutenant (S1-3) | Deep Space 9 | Chief science officer | Trill | ||||||||
| Degra | Randy Oglesby | Season 3 (ENT) | Civilian | Xindi Council | Scientist | Xindi-Primate | ||||||||
| Keyla Detmer | Emily Coutts | Seasons 1–3 (DSC) | Lieutenant (S1-2) Lieutenant, JG (S1) | USS Discovery (S1-2) USS Shenzhou(S1) | Helmsman | Human | ||||||||
| The Doctor | Robert Picardo | Seasons 1–7 (VOY) | None | USS Voyager | Chief medical officer | Hologram | ||||||||
| Dolim | Scott MacDonald | Season 3 (ENT) | Commander | Xindi Council | Council member | Xindi-Reptilian | ||||||||
| Dukat | Marc Alaimo | Seasons 1–7 (DS9) | Gul | Cardassia Prime | Religious leader (S6-7) Leader of Cardassia (S5) Vigilante (S4-5) Freighter commander (S4) Cardassian officer (S1-4) | Cardassian | ||||||||
| Michael Eddington | Kenneth Marshall | Seasons 3–5 (DS9) | Civilian (S4-5) Lt. Commander (S3-4) | Deep Space 9 (S3-4) | Maquis (S7) Security officer (S5-7) | Human | ||||||||
| Elnor | Evan Evagora | Seasons 1-2 (PIC) | Cadet (S2) Qowat Milat (S1) | USS Excelsior(S2) Vashti resident (S1) | Starfleet cadet (S2) Qalankhkai to Picard (S1) | Romulan | ||||||||
| Kova Rin Esmar | Jin Maley | Season 3 (PIC) | Ensign | USS Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3) | Communications officer | Haliian | ||||||||
| Evek | Richard Poe | Season 7 (TNG) Season 2 (DS9) Season 1 (VOY) | Gul | CMS Vetar | Commanding officer | Cardassian | ||||||||
| Female Changeling | Salome Jens | Seasons 3–4,6–7 (DS9) | None | Cardassia Prime | Leader of Dominion | Changeling | ||||||||
| Vic Fontaine | James Darren | Seasons 6–7 (DS9) | None | Deep Space 9 Program | Holographic entertainer | Hologram | ||||||||
| Maxwell Forrest | Vaughn Armstrong | Seasons 1–4 (ENT) | Vice Admiral | Starfleet Command | NX Project | Human | ||||||||
| Alonzo Freeman | Phil LaMart | Seasons 1-4 (LOW) | Admiral | Starfleet Command | Flag officer | Human | ||||||||
| Carol Freeman | Dawnn Lewis | Seasons 1-4 (LOW) | Captain | USS Cerritos | Commanding officer | Human | ||||||||
| Elim Garak | Andrew Robinson | Seasons 1–7 (DS9) | Civilian | Deep Space 9 resident | Tailor | Cardassian | ||||||||
| Garrison | Adam Roarke | "The Cage" | Chief petty officer | USS Enterprise | Communications officer | Human | ||||||||
| Philippa Georgiou | Michelle Yeoh | Seasons 1-3 (DSC) Season 1 (S31) | Captain (S1) | NCIA-93 (S2) Section 31 (S1-3) USS Shenzhou (S1) | Intelligence operative (S1-3) Emperor, Mirror Universe (S1) Commanding officer (S1) | Human | ||||||||
| Sonya Gomez | Lycia Naff | Season 2 (TNG) Season 2 (LOW) | Ensign | USS Enterprise-D | Engineering officer | Human | ||||||||
| Gowron | Robert O'Reilly | Seasons 4–6 (TNG) Seasons 3–7 (DS9) | Chancellor | Klingon High Council | Chancellor of Klingon Empire | Klingon | ||||||||
| Amanda Grayson | Jane Wyatt | Season 2 (TOS) Movies (TVH, TFF) | Civilian | Vulcan resident | Teacher | Human | ||||||||
| Majel Barrett | Seasons 1 (TAS) | |||||||||||||
| Winona Ryder | ST09 | |||||||||||||
| Mia Kirshner | Season 1 (DSC) Season 2 (SNW) | |||||||||||||
| Guinan | Whoopi Goldberg | Seasons 2–6 (TNG) Movies (GEN, NEM) Season 2 (PIC) | Civilian | USS Enterprise-D | Bartender | El-Aurian | ||||||||
| Gwyndala "Gwyn" | Ella Purnell | Season 1 (PRO) | Civilian | USS Protostar NX-76884 | Communications officer | Vau N'Akat | _ | J. Hayes | Steven Culp | Season 3 (ENT) | Major | Enterprise NX-01 | MACO officer | Human |
| Erika Hernandez | Ada Maris | Season 4 (ENT) | Captain | Columbia NX-02 | Commanding officer | Human | ||||||||
| Hogan | Simon Billig | Seasons 2–3 (VOY) | Ensign (provisional) | USS Voyager | Engineering officer Maquis (previous) | Human | ||||||||
| Mr. Homn | Carel Struycken | Seasons 1–5 (TNG) | Civilian | Betazed resident | Servant | Unknown | ||||||||
| Hugh | Jonathan Del Arco | Seasons 5–7 (TNG) Season 1 (PIC) | None | Romulan reclamation site | Borg drone (TNG) Director of Romulan reclamation site (PIC) | Borg (TNG) Human/xB (PIC) | ||||||||
| Icheb | Manu Intiraymi | Seasons 6–7 (VOY) | Civilian (VOY) | USS Voyager resident (VOY) | Astrometrics (VOY) | Borg (VOY S6) Brunali/xB (VOY S6-7, PIC) | ||||||||
| Casey King | Season 1 (PIC) | Lieutenant (PIC) | USS Coleman(PIC) | Command officer (PIC) | ||||||||||
| Ishka | Cecily Adams | Seasons 3, 5–7 (DS9) | Civilian | Ferenginar resident | Philanthropist | Ferengi | ||||||||
| Andrea Martin | ||||||||||||||
| Kathryn Janeway | Kate Mulgrew | Seasons 1–7 (VOY) Movies (NEM) Season 1 (PRO) | Vice Admiral (NEM) Captain (VOY) | Starfleet Command (NEM) USS Dauntless (PRO) USS Voyager (VOY) | Starfleet Admiral (NEM) Commanding officer (VOY) | Human | ||||||||
| Jannar | Rick Worthy | Season 3 (ENT) | Civilian | Xindi Council | Scientist | Xindi-Arboreal | ||||||||
| Michael Jonas | Raphael Sbarge | Season 2 (VOY) | Crewman (provisional) | USS Voyager | Engineering officer Maquis (previous) | Human | ||||||||
| Agnes Jurati | Alison Pill | Seasons 1-2 (PIC) | Civilian | Daystrom Institute | Cyberneticist | Human | ||||||||
| K'Ehleyr | Suzie Plakson | Seasons 2, 4 (TNG) | Ambassador | Earth resident | Federation Ambassador | Klingon/Human | ||||||||
| Kes | Jennifer Lien | Seasons 1–4, 6 (VOY) | Civilian | USS Voyager | Medic Aeroponics | Ocampa | ||||||||
| Harry Kim | Garrett Wang | Seasons 1–7 (VOY) | Ensign | USS Voyager | Chief operations officer | Human | ||||||||
| Kira Nerys | Nana Visitor | Seasons 1–7 (DS9) | Colonel (S7) Commander (S7) Major (S1-6) | Deep Space 9 | Commanding officer (S7) First officer (S1-7) | Bajoran | ||||||||
| George Kirk | Chris Hemsworth | ST09 | Captain | USS Enterprise (ST09) | Commanding officer | Human | ||||||||
| George Samuel "Sam" Kirk Jr. | William Shatner | Season 1(TOS)(Operation -- Annihilate!) Seasons 1–2 (SNW) | Lieutenant, JG | Deneva, USS Enterprise | Xenoanthropologist, research biologist | Human | ||||||||
| Dan Jeannotte | ||||||||||||||
| James T. Kirk | William Shatner | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 5 (DS9) Seasons 1-2 (SNW) | Captain (TOS, TAS, TFF, TUC, GEN, STID, STB) Rear Admiral (TMP, WOK, SFS, TVH) Cadet (ST09) Lieutenant (SNW) | USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB, SNW) USS Farragut(SNW) | Commanding officer (TOS, TAS, TMP, WOK, SFS, TVH, TFF, TUC, STID, STB) First officer (ST09, SNW) | Human | ||||||||
| Chris Pine | ||||||||||||||
| Paul Wesley | ||||||||||||||
| Kol | Kenneth Mitchell | Season 1 (DSC) | General, Klingon Empire | Klingon High Council | Council Member | Klingon | ||||||||
| Kor | John Colicos | Season 1 (TOS) Season 1 (TAS) Seasons 2, 4, 7 (DS9) | Dahar Master (DS9) Commander, Klingon Empire (TOS, TAS) | Klingon Defense Force (DS9) IKS Klothos(TOS, TAS) | Defence officer (DS9) Commanding officer (TOS, TAS) | Klingon | ||||||||
| Kovich | David Cronenberg | Seasons 3-5 (DSC) | Federation official | Federation headquarters | Scientist in cognitive science, with specialties in artificial sentience and intelligence | Human | ||||||||
| Kurn | Tony Todd | Seasons 3–5 (TNG) Season 4 (DS9) | Crewman, Bajoran Militia (DS9) Captain, Klingon Empire (TNG) | Deep Space 9 (DS9) IKS Hegh'ta(TNG) | Security officer (DS9) Commanding officer (TNG) | Klingon | ||||||||
| Alandra La Forge | Mica Burton | Season 3 (PIC) | Ensign | Fleet Museum | Engineer | Human | ||||||||
| Geordi La Forge | LeVar Burton | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 5 (VOY) Season 3 (PIC) | Commodore (S3, PIC) Lt. Commander (S3-7, movies) Lieutenant (S2) Lieutenant, JG (S1) | Federation Fleet Museum (S3, PIC) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (S1-7, GEN) | Curator (S3, PIC) Chief engineer (S2-7, movies) Helmsman (S1) | Human | ||||||||
| Sidney La Forge | Ashlei Sharpe Chestnut | Season 3 (PIC) | Lieutenant, JG Ensign | Enterprise NCC-1701-G USS Titan (NCC-80102-A) | Helmsman | Human | ||||||||
| Laris | Orla Brady | Seasons 1-2 (PIC) | Civilian | Earth resident | Vineyard Manager | Romulan | ||||||||
| Leeta | Chase Masterson | Seasons 3–7 (DS9) | Civilian | Deep Space 9 resident | Dabo Girl | Bajoran | ||||||||
| Leland | Alan van Sprang | Season 2 (DSC) | Captain | NCIA-93 Section 31 | Commanding officer Intelligence Operative | Human | ||||||||
| Li Nalas | Richard Beymer | Season 2 (DS9) | Navarch | Deep Space 9 | Liaison officer | Bajoran | ||||||||
| Linus | David Benjamin Tomlinson | Seasons 2–3 (DSC) | Lieutenant, JG | USS Discovery | Science officer | Saurian | ||||||||
| Gabriel Lorca | Jason Isaacs | Season 1 (DSC) | Captain | USS Discovery | Commanding officer | Human | ||||||||
| Lore | Brent Spiner | Season 3 (PIC) Seasons 1, 4, 6–7 (TNG) | Civilian | Android | ||||||||||
| L'Rell | Mary Chieffo | Seasons 1–2 (DSC) | Chancellor | Klingon High Council | Chancellor of Klingon Empire | Klingon | ||||||||
| Lursa | Barbara March | Seasons 4–5, 7 (TNG) Movies (GEN) Season 1 (DS9) | Captain, Klingon Empire | Bird of Prey | Commanding officer | Klingon | ||||||||
| Maihar'du | Tiny Ron Taylor | Seasons 1–3, 5–7 (DS9) | Civilian | Ferenginar resident | Attendant to Grand Nagus | Hupyrian | ||||||||
| Mallora | Tucker Smallwood | Season 3 (ENT) | Civilian | Xindi Council | Chairman | Xindi-Primate | ||||||||
| Carol Marcus | Bibi Besch | Movies (WOK, SFS, STID) | Civilian (WOK, SFS) Lieutenant (STID) | Project Genesis (WOK, SFS) USS Enterprise (STID) | Biologist | Human | ||||||||
| Alice Eve | ||||||||||||||
| Beckett Mariner | Tawny Newsome | Seasons 1-4 (LOW) Season 2 (SNW) (Those Old Scientists) | Ensign (Seasons 1-3) Lieutenant, JG (Season 4) | USS Cerritos | Human | |||||||||
| Martok | J. G. Hertzler | Seasons 4–7 (DS9) | Chancellor (S7) General, Klingon Empire (S4-7) | Deep Space 9 IKS Rotarran | Chancellor of Klingon Empire (S7) Commander of Klingon Forces (S4-7) | Klingon | ||||||||
| Travis Mayweather | Anthony Montgomery | Seasons 1–4 (ENT) | Ensign | Enterprise NX-01 | Helmsman | Human | ||||||||
| Joseph M'Benga | Booker Bradshaw | Seasons 2-3 (TOS)
| Commander | USS Enterprise | Doctor Chief medical officer, | Human | ||||||||
| Babs Olusanmokun | ||||||||||||||
| Rukiya M'Benga | Sage Arrindell | Season 1 (SNW) | Civilian | USS Enterprise | Civilian | Human | ||||||||
| Mukambe Simamba | ||||||||||||||
| Leonard McCoy | DeForest Kelley | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 1 (TNG) Season 5 (DS9) | Admiral (TNG) Commander (TMP, WOK, SFS, TVH, TFF, TUC) Lt. Commander (TOS, TAS, ST09, STID, STB) | USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Chief medical officer | Human | ||||||||
| Karl Urban | ||||||||||||||
| Mezoti | Marley S. McClean | Seasons 6–7 (VOY) | Civilian | USS Voyager Passenger | Norcadian | |||||||||
| Migleemo | Paul F. Tompkins | Seasons 1-4 (LOW) | Commander? | USS Cerritos | Ship's Counselor | Unnamed ornithoid species | ||||||||
| Mila | Julianna McCarthy | Seasons 3,7 (DS9) | Civilian | Cardassia resident | Housekeeper | Cardassian | ||||||||
| Mora Pol | James Sloyan | Seasons 2,5 (DS9) | Civilian | Bajor resident | Scientist | Bajoran | ||||||||
| Morn | Mark Allen Shepherd | Seasons 1–7 (DS9) Season 1 (VOY) | Civilian | Deep Space 9 resident | Courier | Lurian | ||||||||
| Mot | Ken Thorley | Seasons 5–6 (TNG) | Civilian | USS Enterprise-D | Barber | Bolian | ||||||||
| Harry Mudd | Roger C. Carmel | Seasons 1–2 (TOS) Season 1 (TAS) Season 1 (DSC) Season 1 (ST) | Civilian | Smuggler | Human | |||||||||
| Rainn Wilson | ||||||||||||||
| Matthew Arliss Mura | Joseph Lee | Season 3 (PIC) | Lieutenant | USS Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3) | Tactical officer | Bajoran | ||||||||
| Murf | Dee Bradley Baker | Season 1 (PRO) | Civilian | USS Protostar NX-76884 | Civilian/Security officer | Mellanoid slime worm | ||||||||
| Raffi Musiker | Michelle Hurd | Seasons 1-3 (PIC) | Commander (S2) Civilian (S1) | Enterprise NCC-1701-G (S3) Starfleet Intelligence (S3) USS Excelsior(S2) | First officer Undercover intelligence agent Chief operations officer (S2) | Human | ||||||||
| Narek | Harry Treadaway | Season 1 (PIC) | Zhat Vash Operative | Romulan | ||||||||||
| Naya | Victoria Sawal | Season 5 (DSC) | Lieutenant | USS Discovery NCC 1031-A (DSC S5) | Operations officer | Human | ||||||||
| Alynna Nechayev | Natalia Nogulich | Seasons 6–7 (TNG) Seasons 2–3 (DS9) | Fleet Admiral | Starfleet Command | Admiral of Starfleet | Human | ||||||||
| Neelix | Ethan Phillips | Seasons 1–7 (VOY) | Ambassador (S7) Civilian (S1-7) | Talaxian Asteroid Colony (S7) USS Voyager (S1-7) | Federation Ambassador (S7) Chef (S1-7) | Talaxian | ||||||||
| Nhan | Rachael Ancheril | Seasons 2-3 (DSC) | Commander | USS Discovery (S2-3) USS Enterprise (S2) | Chief security officer | Barzan | ||||||||
| Susan Nicoletti | Christine Delgado | Seasons 1–4,7 (VOY) | Lieutenant, JG | USS Voyager | Engineering officer | Human | ||||||||
| Eva Nilsson | Sara Mitich | Seasons 2-4 (DSC) | Lieutenant | USS Voyager NCC 74656 (DSC S5) USS Discovery | Operations officer | Human | ||||||||
| Nog | Aron Eisenberg | Seasons 1–7 (DS9) | Lieutenant, JG (S7) Ensign (S6-7) Cadet (S4-5) Civilian (S1-4) | Deep Space 9 Starfleet Academy (S4-5) | Operations officer (S6-7) Starfleet cadet (S4-5) Bar employee (S1-4) Student (S1-4) | Ferengi | ||||||||
| Khan Noonien Singh | Ricardo Montalbán | Season 1 (TOS) Movies (WOK, STID) (SNW S2)) (Tomorrow and Tomorrow and Tomorrow) | Civilian | SS Botany Bay (TOS) | Superhuman | Human Augment | ||||||||
| Benedict Cumberbatch | ||||||||||||||
| Desmond Sivan (as a child) | ||||||||||||||
| La'an Noonien-Singh | Christina Chong (primary) | Seasons 1-2 (SNW) | Lieutenant | USS Enterprise | Chief security officer | Human | ||||||||
| Kashimuro Nozawa | John Tampoya | Seasons 1–4,7 (VOY) | Ensign | USS Voyager | Operations officer | Human | ||||||||
| Keiko O'Brien | Rosalind Chao | Seasons 4–6 (TNG) Seasons 1–7 (DS9) | Civilian | Deep Space 9 (DS9) USS Enterprise-D (TNG) | Teacher/Botanist (DS9) Botanist (TNG) | Human | ||||||||
| Miles O'Brien | Colm Meaney | Seasons 1–7 (TNG) Seasons 1–7 (DS9) | Chief petty officer | Starfleet Academy (DS9 S7) Deep Space 9 (DS9 S1-7) USS Enterprise-D (TNG S1-6) | Academy professor (DS9 S7) Chief of operations (DS9 S1-7) Transporter chief (TNG S2-6) Helmsman (TNG S1) | Human | ||||||||
| Molly O'Brien | Hana Hatae | Seasons 1–7 (DS9) | Civilian | Deep Space 9 resident | Student | Human | ||||||||
| Odo | René Auberjonois | Seasons 1–7 (DS9) | Constable (unofficial) | Deep Space 9 | Chief of security | Changeling | ||||||||
| Alyssa Ogawa | Patti Yasutake | Seasons 3–7 (TNG) Movies (GEN, FCT) | Lieutenant, JG (S7, movies) Ensign (S3-7) | USS Enterprise-E (FCT) USS Enterprise-D (S3-7, GEN) | Nurse | Human | ||||||||
| Oh | Tamlyn Tomita | Season 1 (PIC) | Commodore | Starfleet Command | Head of Starfleet Security | Vulcan | ||||||||
| Opaka Sulan | Camille Saviola | Seasons 1–2,4 (DS9) | Kai | Bajor resident | Bajoran religious leader (S1) | Bajoran | ||||||||
| Joann Owosekun | Oyin Oladejo | Seasons 1–5 (DSC) | Lieutenant, JG | USS Discovery | Operations officer | Human | ||||||||
| Owen Paris | Warren Munson Richard Herd | Seasons 2,5–7 (VOY) | Admiral | Starfleet Command | Pathfinder Project | Human | ||||||||
| Tom Paris | Robert Duncan McNeill | Seasons 1–7 (VOY) Season 1 (LOW) | Lieutenant (LOW S1) Lieutenant, JG (S1-7) Ensign (S5-6) | USS Voyager | Helmsman | Human | ||||||||
| Phlox | John Billingsley | Seasons 1–4 (ENT) | Civilian | Enterprise NX-01 | Chief medical officer | Denobulan | ||||||||
| Jean-Luc Picard | Patrick Stewart | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 1 (DS9) Seasons 1-3 (PIC) | Admiral (PIC) Captain (TNG, movies) | Earth resident (PIC) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (TNG S1-7, GEN) | Commanding officer (TNG, movies) | Human | ||||||||
| Renée Picard | Penelope Mitchell | Season 2 (PIC) | Civilian | Europa Mission | NASA Astronaut | Human | ||||||||
| Christopher Pike | Jeffrey Hunter | "The Cage" Season 1 (TOS) | Admiral (STID) Captain (TC, TOS, ST09, DSC) | Starfleet Command (STID) USS Enterprise ( TC, ST09, DSC) | Starfleet Admiral (STID) Commanding officer ( TC, ST09, DSC) | Human | ||||||||
| Bruce Greenwood | ST09, STID | |||||||||||||
| Anson Mount | Season 2 (DSC) Seasons 1-2 (SNW)re | |||||||||||||
| Jankom Pog | Jason Mantzoukas | Season 1 (PRO) | Civilian | USS Protostar NX-76884 | Engineer | Tellarite | _ | Tracy Pollard | Raven Dauda | Seasons 1–5 (DSC) | Lieutenant, JG | USS Discovery | Medical officer | Human |
| Katherine Pulaski | Diana Muldaur | Season 2 (TNG) | Commander | USS Enterprise-D | Chief medical officer | Human | ||||||||
| Q | John de Lancie | Seasons 1–4, 6–7 (TNG) Season 1 (DS9) Seasons 2–3, 7 (VOY) Season 1 (LOW) Season 2 (PIC) | None | Q Continuum resident | Q Continuum | Q | ||||||||
| Quark | Armin Shimerman | Season 7 (TNG) Seasons 1–7 (DS9) Season 1 (VOY) | Civilian | Deep Space 9 resident | Bar Owner | Ferengi | ||||||||
| Teresa Ramirez | Sol Rodriguez | (PIC S2) | Civilian | Earth resident | Medical doctor associated with the humanitarian organization Mariposas | Human | ||||||||
| Ricardo Ramirez | Steve Gutierrez | (PIC S2) | Civilian | Earth resident | Student | Human | ||||||||
| Janice Rand | Grace Lee Whitney | Season 1 (TOS) Movies (TMP, TVH, TUC) Season 3 (VOY) | Commander (TUC) Chief petty officer (TVH) Crewman (TMP) Yeoman (TOS) | USS Excelsior(TUC) Starfleet Command (TVH) USS Enterprise (TOS, TMP) | First officer (TUC) Starfleet Command officer (TVH) Transporter chief (TMP) Yeoman (TOS) | Human | ||||||||
| Jack Ransom | Jerry O'Connell | Seasons 1-4 (LOW) | Commander | USS Cerritos | First officer | Human | ||||||||
| Rayner | Callum Keith Rennie | Season 5 (DSC) | Commander Captain | USS Discovery NCC-1031-A USS Antares | First officer Commanding officer | Kellerun | ||||||||
| Rebi | Cody Wetherill | Seasons 6–7 (VOY) | Civilian | USS Voyager Passenger | Wysanti/xB | |||||||||
| Malcolm Reed | Dominic Keating | Seasons 1–4 (ENT) | Lieutenant | Enterprise NX-01 | Tactical officer | Human | ||||||||
| Dal R'El | Brett Gray | Season 1 (PRO) | Civilian | USS Protostar NX-76884) | Captain | Augment (Artificially created hybrid of many species) | ||||||||
| Jet Reno | Tig Notaro | Seasons 2-3 (DSC) | Lt. Commander | USS Discovery (S2-3) USS Hiawatha(S2) | Chief Engineer | Human | ||||||||
| Gen Rhys | Patrick Kwok-Choon | Seasons 1-3 (DSC) | Lieutenant | USS Discovery | Tactical officer | Human | ||||||||
| William Riker | Jonathan Frakes | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Season 2 (VOY) Season 4 (ENT) Seasons 1,3 (PIC) Season 1 (LOW) | Captain pro tem (PIC S3) Captain (NEM, PIC, LOW) Commander (TNG S1-7, movies) |
| Commanding officer (NEM, PIC S1, LOW S1) First officer (TNG S1-7, movies) | Human | ||||||||
| Laira Rillak | Chelah Horsdal | Seasons 4-5 (DSC) | Civilian | None | President of the United Federation of Planets | Human/Bajoran/Cardassian | ||||||||
| Cristóbal "Chris" Rios | Santiago Cabrera | Seasons 1-2 (PIC) | Captain (S2) Civilian (S1) | USS Stargazer(S2) La Sirena(S1) | Commanding officer (S2) Civilian Starship Captain (S1) | Human | ||||||||
| Narissa Rizzo | Peyton List | Season 1 (PIC) | Zhat Vash Operative | Romulan | ||||||||||
| Ro Laren | Michelle Forbes | Seasons 5–7 (TNG) | Lieutenant (S7) Ensign (S5-6) | USS Enterprise-D | Maquis (S7) Helmsman (S5-7) | Bajoran | ||||||||
| Rok-Takh | Rylee Alazraqui | Season 1 (PRO) | Civilian | USS Protostar NX-76884 | Science officer | Brikar | ||||||||
| Rom | Max Grodénchik | Seasons 1–7 (DS9) | Grand Nagus (S7) Crewman (S4-7) Civilian (S1-4) | Deep Space 9 | Grand Nagus (S7) Maintenance Engineer (S4-7) Bar employee (1–4) | Ferengi | ||||||||
| William Ross | Barry Jenner | Seasons 6–7 (DS9) | Vice Admiral | Deep Space 9 | Military commander | Human | ||||||||
| Michael Rostov | Joseph Will | Seasons 1–2 (ENT) | Crewman | Enterprise NX-01 | Engineering officer | Human | ||||||||
| Alexander Rozhenko | Jon Paul Steuer | Seasons 4–7 (TNG) Season 6 (DS9) | Crewman, Klingon Empire (DS9) Civilian (TNG) | IKS Rotarran(DS9) | Weapons officer (DS9) | Klingon/Human | ||||||||
| Brian Bonsall | ||||||||||||||
| Marc Warden | ||||||||||||||
| Samanthan "Sam" Rutherford | Eugene Cordero | Seasons 1-4 (LOW) | Lieutenant, JG | Ensign | USS Cerritos | Science officer | Human, cybernetically enhanced | ||||||||
| Saavik | Kirstie Alley | Movies (WOK, SFS, TVH) | Lieutenant, JG | USS Grissom(SFS, TVH) USS Enterprise (WOK) | Science officer (SFS, TVH) Navigator (WOK) | Vulcan/Romulan | ||||||||
| Robin Curtis | ||||||||||||||
| Sarek | Mark Lenard | Season 2 (TOS) Seasons 1 (TAS) Movies (TMP, SFS, TVH, TUC, ST09) Seasons 3, 5 (TNG) Seasons 1–2 (DSC) | Ambassador | Vulcan resident | Federation Ambassador | Vulcan | ||||||||
| Ben Cross | ||||||||||||||
| James Frain | ||||||||||||||
| Saru | Doug Jones | Seasons 1–5 (DSC) Season 1 (ST) | Commander Captain Federation Ambassador | Federation Headquarters (DSC S5) USS Discovery (S1-3) USS Shenzhou(S1) | Federation Ambassador (DSC S5) First officer (S4-5) Captain (S3) First officer (S1-2) Science officer (S1) | Kelpien | ||||||||
| Hoshi Sato | Linda Park | Seasons 1–4 (ENT) | Ensign | Enterprise NX-01 | Communications officer | Human | ||||||||
| Montgomery Scott | James Doohan | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, GEN, ST09, STID, STB) Season 6 (TNG) Season 5 (DS9) Season 2 (SNW) | Captain (SFS, TVH, TFF, TUC, GEN, TNG) Commander (TMP, WOK) Lt. Commander (TOS, TAS, ST09, STID, STB) Lieutenant, Junior Grade (SNW S2) | USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) USS Stardiver | Chief Engineer | Human | ||||||||
| Simon Pegg | ||||||||||||||
| Martin Quinn | ||||||||||||||
| Sela | Denise Crosby | Seasons 4–5 (TNG) | Commander, Romulan Empire | Unknown | Romulan officer | Romulan/Human | ||||||||
| Seska | Martha Hackett | Seasons 1–3,7 (VOY) | None (S1-3) Ensign (provisional)(S1) | Kazon-Nistrim (S1-3) USS Voyager (S1) | Kazon Affiliate (S1-3) Engineering officer (S1) Science officer (S1) Maquis Infiltrator (previous) | Cardassian | ||||||||
| Seven of Nine | Jeri Ryan | Seasons 1-3 (PIC) Seasons 4–7 (VOY) | Captain (PIC S3) Commander (PIC S3) Civilian (PIC S1-2) (VOY S4-7) | Enterprise NCC-1701-G (PIC S3) USS Titan (NCC-80102-A) (PIC S3) La Sirena(PIC S2) USS Voyager (VOY S4-7) | Captain (PIC S3) First officer (PIC S3) Vigilante (PIC S1-2) Astrometrics (VOY S4-7)| | Human/xB | ||||||||
| Shakaar Edon | Duncan Regehr | Seasons 3–5 (DS9) | First Minister | Bajor resident | First Minister of Bajor | Bajoran | ||||||||
| Liam Shaw | Todd Stashwick | Season 3 (PIC) | Captain | USS Titan (NCC-80102-A) (PIC S3) | Commanding officer | Human | ||||||||
| Shaxs | Fred Tatasciore | Seasons 1-4 (LOW) | Lieutenant | USS Cerritos | Chief security officer | Bajoran | ||||||||
| Thy'lek Shran | Jeffrey Combs | Seasons 1–4 (ENT) | General | Kumari | Andorian Imperial Guard | Andorian | ||||||||
| Jennifer Sh'reyan | Lauren Lapkus | Seasons 1-4 (LOW) | Ensign | USS Cerritos | Counselor | Andorian | ||||||||
| Silik | John Fleck | Seasons 1–4 (ENT) | Senior official | Suliban Cabal | Terrorist | Suliban | ||||||||
| Benjamin Sisko | Avery Brooks | Seasons 1–7 (DS9) | Captain (S3-7) Commander (S1-3) | Deep Space 9 | Commanding officer | Human | ||||||||
| Jake Sisko | Cirroc Lofton | Seasons 1–7 (DS9) | Civilian | Deep Space 9 resident | Journalist (S5-7) Student (S1-5) | Human | ||||||||
| Jennifer Sisko | Felecia M. Bell | Seasons 1,3–4 (DS9) | Lieutenant (S1) | USS Saratoga(S1) | Starfleet officer (S1) | Human | ||||||||
| Joseph Sisko | Brock Peters | Seasons 4,6–7 (DS9) | Civilian | Earth resident | Restaurant Owner | Human | ||||||||
| Sarah Sisko | Deborah Lacey | Season 7 (DS9) | Civilian | Earth resident | Holophotographer | Human | ||||||||
| Luther Sloan | William Sadler | Seasons 6–7 (DS9) | None | Section 31 | Intelligence Operative | Human | ||||||||
| Kore Soong | Isa Briones | Season 2 (PIC) | Civilian | Resident of Earth | Traveler | Human | ||||||||
| Soval | Gary Graham | Seasons 1–4 (ENT) | Ambassador | Earth | Vulcan Ambassador to Earth | Vulcan | ||||||||
| Spock | Leonard Nimoy | "The Cage" Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 5 (TNG) Season 5 (DS9) Season 2 (DSC) Season 1 (SNW) | Ambassador (TNG, ST09, STID) Captain (WOK, SFS, TVH) Commander ( TC, TOS, TAS, TMP, ST09, STID, STB, DSC) | New Vulcan resident (STID) USS Enterprise-A (TVH, TFF, TUC) USS Enterprise ( TC, TOS, TAS, TMP, ST09, STID, STB, DSC) Instructor (ST09) | Federation Ambassador (TNG, ST09, STID) First officer ( TC, TOS, TAS, movies) Science officer ( TC, TOS, TAS, ST09, STID, STB, DSC) | Vulcan/Human | ||||||||
| Zachary Quinto | ||||||||||||||
| Ethan Peck | ||||||||||||||
| Paul Stamets | Anthony Rapp | Season 1-5 (DSC) | Commander Lt. Commander (S2) Lieutenant (S1) | USS Discovery | Science officer | Human | ||||||||
| Lon Suder | Brad Dourif | Seasons 2–3 (VOY) | Crewman (provisional) | USS Voyager | Engineering officer Maquis (previous) | Betazoid | ||||||||
| Hikaru Sulu | George Takei | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC, ST09, STID, STB) Season 3 (VOY) | Captain (TUC) Commander (WOK, SFS, TVH, TFF) Lt. Commander (TMP) Lieutenant (TOS, TAS, ST09, STID, STB) | USS Excelsior(TUC) USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Commanding officer (TUC) Helmsman (TOS, TAS, TMP, WOK, SFS, TVH, TFF, ST09, STID, STB) | Human | ||||||||
| John Cho | ||||||||||||||
| Enabran Tain | Paul Dooley | Seasons 2–3,5 (DS9) | None | Cardassia resident | Leader of Obsidian Order | Cardassian | ||||||||
| Adira Tal | Blu del Barrio | Seasons 3-5 (DSC) | Ensign | USS Discovery (S3-5) | Science officer (DSC S3-5) | Human | ||||||||
| Gray Tal | Ian Alexander | Seasons 3-5 (DSC) | Civilian | Trill (DSC S4-5) USS Discovery (S3-4) | Guardian (DSC S5) Civilian (DSC S3-4) | Trill | ||||||||
| T'Ana | Gillian Vigman | Seasons 1-4 (LOW) | Commander | USS Cerritos | Chief medical officer | Caitian | ||||||||
| D'Vana Tendi | Noël Wells | Seasons 1-4 (LOW) | Lieutenant, JG | Ensign | USS Cerritos | Science officer | Orion | _ | Sylvia Tilly | Mary Wiseman | Season 1–5 (DSC) Season 1 (ST) | Lieutenant, JG (S3-5) Ensign (S2) Cadet (S1) | Starfleet Academy (S4-5) USS Discovery (S1-4) | Instructor (S4-5) Acting first officer (S3) Engineering officer (S2) Starfleet cadet (S1) | Human |
| T'Lyn | Danielle Ruiz | Seasons 2-4 (LOW) | Lieutenant, JG | USS Cerritos VCF Sh'vhal | Science officer | Vulcan | ||||||||
| Tomalak | Andreas Katsulas | Seasons 3–4,7 (TNG) | Commander, Romulan Empire | IRW Terix | Commanding officer | Romulan | ||||||||
| Tora Ziyal | Melanie Smith | Seasons 4–6 (DS9) | Civilian | Deep Space 9 resident | Artist | Bajoran/Cardassian | ||||||||
| Cyia Batten | ||||||||||||||
| B'Elanna Torres | Roxann Dawson | Seasons 1–7 (VOY) | Lieutenant, JG (provisional) | USS Voyager | Chief Engineer (S1-7) Maquis (S1) | Klingon/Human | ||||||||
| T'Pau | Celia Lovsky | Season 2 (TOS) ( Amok Time ) (ENT S4) | Civilian | None | Civilian | Vulcan | ||||||||
| Kara Zediker | ||||||||||||||
| T'Pol | Jolene Blalock | Seasons 1–4 (ENT) | Commander (S4) SubCommander (S1-4) | Enterprise NX-01 | First officer Science officer | Vulcan | ||||||||
| T'Pring | Arlene Martel | Season 2 (TOS) ( Amok Time ) (SNW S1-2) | Civilian | None | Civilian | Vulcan | ||||||||
| Gia Sandhu | ||||||||||||||
| The Traveler | Eric Menyuk | Seasons 1,4,7 (TNG) | Civilian | Tau Alpha C resident | Unknown | |||||||||
| T'Rina | Tara Rosling | Seasons 3-5 (DSC) | Civilian | Ni'Var | President of Ni'Var | Vulcan | ||||||||
| Deanna Troi | Marina Sirtis | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Seasons 6–7 (VOY) Season 4 (ENT) Seasons 1,3 (PIC) Season 1 (LOW) | Commander (TNG S7, VOY, movies) Lt. Commander (TNG S1-7) | USS Titan(NEM) USS Enterprise-E (FCT, INS, NEM) USS Enterprise-D (TNG S1-7, GEN) | Diplomatic officer (NEM) Counselor (TNG S1-7, movies) | Betazoid/Human | ||||||||
| Lwaxana Troi | Majel Barrett | Seasons 1–5,7 (TNG) Seasons 1,3–4 (DS9) | Ambassador | Betazed resident | Federation Ambassador | Betazoid | ||||||||
| Kestra Troi-Riker | Lulu Wilson | Season 1 (PIC S1) Nepenthe | Civilian | Nepenthe resident | Student | Human/Betazoid | ||||||||
| Trip Tucker | Connor Trinneer | Seasons 1–4 (ENT) | Commander | Enterprise NX-01 | Chief Engineer | Human | ||||||||
| Tuvok | Tim Russ | Seasons 1–7 (VOY) Season 3 (LD)(Grounded) Season 3 (PIC) | Captain (PIC S3) Commander (LD S3) Lt. Commander (S4-7) Lieutenant (S1-4) | Starfleet Command (PIC S3) USS Voyager (VOY S1-7) | Chief of Security | Vulcan | ||||||||
| Ash Tyler/ | Shazad Latif | Seasons 1–2 (DSC) | Lieutenant (S1) | USS Discovery | Chief security officer (S1) | Human/Klingon | ||||||||
| T'Veen | Stephanie Czajkowski | Season 3 (PIC) | Lieutenant | USS Titan (NCC-80102-A) (PIC S3) | Science officer | Vulcan/Deltan | ||||||||
| José Tyler | Peter Duryea | "The Cage" | Lieutenant | USS Enterprise | Helmsman | Human | ||||||||
| Nyota Uhura | Nichelle Nichols | Seasons 1–3 (TOS) Seasons 1–2 (TAS) Movies (TMP, WOK, SFS, TVH, TFF, TUC) Season 5 (DS9) | Commander (WOK, SFS, TVH, TFF, TUC) Lt. Commander (TMP) Lieutenant (TOS, TAS, ST09, STID, STB) | USS Enterprise-A (TVH, TFF, TUC) USS Enterprise (TOS, TAS, TMP, WOK, SFS, ST09, STID, STB) | Communications officer | Human | ||||||||
| Zoe Saldana | ST09, STID, STB | |||||||||||||
| Celia Rose Gooding | SNW Seasons 1-2 | |||||||||||||
| Charles Vance | Oded Fehr | Seasons 3-5 (DSC) | Fleet Admiral (PIC S3-5) | Starfleet Command | Commander-in-chief of Starfleet (DSC S3-5) | Human | ||||||||
| Vash | Jennifer Hetrick | Seasons 3–4 (TNG) Season 1 (DS9) | Civilian | Earth resident | Archeologist | Human | ||||||||
| Vorik | Alexander Enberg | Seasons 3–5, 7 (VOY) | Ensign | USS Voyager | Engineering officer | Vulcan | ||||||||
| Weyoun | Jeffrey Combs | Seasons 4–7 (DS9) | None | Cardassia Prime | Dominion Leader | Vorta | ||||||||
| Naomi Wildman | Scarlett Pomers | Seasons 2–7 (VOY) | Civilian | USS Voyager resident | Captain's Assistant (unofficial) | Ktarian/Human | ||||||||
| Samantha Wildman | Nancy Hower | Seasons 2–6 (VOY) | Ensign | USS Voyager | Science officer | Human | ||||||||
| Winn Adami | Louise Fletcher | Seasons 1–3, 5–7 (DS9) | Kai (S3-7) Vedek (S1-2) | Bajor resident | Bajoran religious leader | Bajoran | ||||||||
| Worf | Michael Dorn | Seasons 1–7 (TNG) Movies (GEN, FCT, INS, NEM) Seasons 4–7 (DS9) Season 3 (PIC) | Lt. Commander (DS9, movies) Ambassador (DS9 S7) Lieutenant (TNG S3-7) Lieutenant, JG (TNG S1-2) | Starfleet Intelligence (PIC S3) USS Enterprise-E (NEM) Qo'noS (DS9 S7) Deep Space 9 (DS9 S4-7) USS Enterprise-D (S1-7, GEN) | Intelligence operative (PIC S3) Strategic operations officer (DS9 S4-7, movies) Ambassador (DS9 S7) Chief security officer (TNG S2-7) Helmsman (TNG S1) | Klingon | ||||||||
| Tasha Yar | Denise Crosby | Seasons 1,3,7 (TNG) | Lieutenant | USS Enterprise-D | Chief security officer | Human | ||||||||
| Kasidy Yates | Penny Johnson Jerald | Seasons 3–7 (DS9) | Captain | SS Xhosa Deep Space 9 resident | Freighter Captain | Human | ||||||||
| Zek | Wallace Shawn | Seasons 1–3,5–7 (DS9) | Grand Nagus | Ferenginar resident | Leader of Ferengi economics | Ferengi | ||||||||
| Zero | Angus Imrie | Season 1 (PRO) | Civilian | USS Protostar NX-76884 | Science officer | Medusan | ||||||||
| Zhaban | Jamie McShane | Season 1 (PIC) | Civilian | Earth resident | Butler | Romulan |
| Actor | Character | Seasons | ||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | ||
| Main cast | ||||||
| Sonequa Martin-Green | Michael Burnham | Main | ||||
| Doug Jones | Saru | Main | ||||
| Shazad Latif | Voq | Recurring [lower-alpha 9] | ||||
| Ash Tyler | Main | |||||
| Anthony Rapp | Paul Stamets | Main | ||||
| Mary Wiseman | Sylvia Tilly | Main | Main [lower-alpha 10] | Main | ||
| Jason Isaacs | Gabriel Lorca | Main | ||||
| Wilson Cruz | Hugh Culber | Recurring | Main [lower-alpha 10] | Main | ||
| Anson Mount | Christopher Pike | Main | ||||
| Rachael Ancheril | Nhan | Recurring | Main [lower-alpha 10] | Guest | TBA | |
| David Ajala | Cleveland "Book" Booker | Main [lower-alpha 10] | ||||
| Tig Notaro | Jett Reno | Recurring | Main [lower-alpha 10] | |||
| Blu del Barrio | Adira Tal | Recurring | Main [lower-alpha 10] | |||
| Callum Keith Rennie | Rayner | Main | ||||
| Recurring cast | ||||||
| Michelle Yeoh | Philippa Georgiou | Recurring [lower-alpha 11] | ||||
| Emily Coutts | Keyla Detmer | Recurring | ||||
| Oyin Oladejo | Joann Owosekun | Recurring | ||||
| Patrick Kwok-Choon | Gen Rhys | Recurring | ||||
| Ronnie Rowe Jr. | R.A. Bryce | Recurring | ||||
| Mary Chieffo | L'Rell | Recurring | Guest | |||
| James Frain | Sarek | Recurring | ||||
| Jayne Brook | Katrina Cornwell | Recurring | ||||
| Kenneth Mitchell | Kol | Recurring | ||||
| Kol-sha | Guest | |||||
| Tenavik | Guest | |||||
| Aurellio | Guest | |||||
| Rainn Wilson | Harry Mudd | Recurring | ||||
| Rekha Sharma | Ellen Landry | Recurring | Guest | |||
| Sara Mitich | Airiam | Recurring | ||||
| Hannah Cheesman | Recurring | Guest | ||||
| Sara Mitich | Nilsson | Recurring | ||||
| Mia Kirshner | Amanda Grayson | Guest | Recurring | |||
| Ethan Peck | Spock | Recurring | Archive | |||
| Raven Dauda | Tracy Pollard | Guest | Recurring | |||
| David Benjamin Tomlinson | Linus | Recurring | ||||
| Rebecca Romijn | Number One | Recurring | ||||
| Alan van Sprang | Leland | Recurring | ||||
| Sonja Sohn | Gabrielle Burnham | Recurring | Guest | |||
| Oded Fehr | Charles Vance | Recurring | ||||
| Ian Alexander | Gray Tal | Recurring | ||||
| David Cronenberg | Kovich | Recurring | ||||
| Annabelle Wallis (voice) | Zora | Recurring | ||||
| Durban and Leeu | Grudge | Recurring | ||||
| Vanessa Jackson | Audrey Willa | Recurring | Guest | |||
| Noah Averbach-Katz | Ryn | Recurring | ||||
| Janet Kidder | Osyraa | Recurring | ||||
| Tara Rosling | T'Rina | Guest | Recurring | |||
| Chelah Horsdal | Laira Rillak | Recurring | ||||
| Orville Cummings | Christopher | Recurring | ||||
| Shawn Doyle | Ruon Tarka | Recurring | ||||
| Elias Toufexis | Cold | Guest | ||||
| L'ak | Recurring | |||||
| Eve Harlow | Moll | Recurring | ||||
| Actor | Character | Seasons | ||
|---|---|---|---|---|
| 1 | 2 | 3 | ||
| Main cast | ||||
| Patrick Stewart | Jean-Luc Picard | Main | ||
| Alison Pill | Agnes Jurati / Borg Queen | Main | ||
| Isa Briones | Soji Asha | Main | ||
| Dahj Asha | Main | |||
| Sutra | Main | |||
| Kore Soong | Main | |||
| Harry Treadaway | Narek | Main | ||
| Michelle Hurd | Raffi Musiker | Main | ||
| Santiago Cabrera | Chris Rios | Main | ||
| Evan Evagora | Elnor | Main | ||
| Jeri Ryan | Seven of Nine | Recurring [lower-alpha 1] | Main | |
| Orla Brady | Laris | Recurring | Main | Guest |
| Tallinn | Main | |||
| Brent Spiner | Data | Special guest | Recurring | |
| Altan Inigo Soong | Special guest | Special guest | ||
| Adam Soong | Main | |||
| Lore | Recurring | |||
| Ed Speleers | Jack Crusher | Main | ||
| Recurring cast | ||||
| Jonathan Del Arco | Hugh | Recurring [lower-alpha 2] | ||
| Jamie McShane | Zhaban | Recurring | ||
| Tamlyn Tomita | Commodore Oh | Recurring | ||
| Peyton List | Narissa | Recurring | ||
| Rebecca Wisocky | Ramdha | Recurring | ||
| Annie Wersching | Borg Queen | Recurring | ||
| John de Lancie | Q | Recurring | Guest | |
| Whoopi Goldberg | Guinan | Special guest | ||
| Ito Aghayere | Recurring | |||
| Penelope Mitchell | Renée Picard | Recurring | ||
| Sol Rodríguez | Dr. Teresa Ramirez | Recurring | ||
| Jonathan Frakes | William Riker | Special guest | Recurring | |
| Marina Sirtis | Deanna Troi | Guest [lower-alpha 3] | Recurring | |
| Gates McFadden | Beverly Crusher | Recurring | ||
| Todd Stashwick | Captain Liam Shaw | Recurring | ||
| Ashlei Sharpe Chestnut | Sidney La Forge | Recurring | ||
| Michael Dorn | Worf | Recurring | ||
| Amanda Plummer | Vadic | Recurring | ||
| LeVar Burton | Geordi La Forge | Recurring | ||
| Mica Burton | Alandra La Forge | Recurring | ||
| Special guests | ||||
| Wil Wheaton | Wesley Crusher | Guest | ||
| Thomas Dekker | Titus Rikka | Guest | ||
| Daniel Davis | Professor James Moriarty | Guest | ||
| Michelle Forbes | Commander Ro Laren | Special guest | ||
| Tim Russ | Tuvok | Special guest | ||
| Elizabeth Dennehy | Fleet Admiral Elizabeth Shelby | Special guest | ||
| Alice Krige | Borg Queen | Special guest | ||
| Actor | Character | Seasons |
|---|---|---|
| 1 | ||
| Main Cast | ||
| Brett Gray | Dal | Main |
| Ella Purnell | Gwyndala | Main |
| Jason Mantzoukas | Jankom Pog | Main |
| Angus Imrie | Zero | Main |
| Rylee Alazraqui | Rok-Tahk | Main |
| Dee Bradley Baker | Murf | Main |
| Jimmi Simpson | Drednok | Main |
| John Noble | The Diviner | Main |
| Kate Mulgrew | Kathryn Janeway | Main |
| Recurring Cast | ||
| Bonnie Gordon | The Ship's Computer | Recurring |
| Robert Beltran | Chakotay | Recurring |
| Jameela Jamil | Asencia | Recurring |
| Daveed Diggs | Tysess | Recurring |
| Jason Alexander | Noum | Recurring |
| Billy Campbell | Thadiun Okona | Recurring |
| Ronny Cox | Edward Jellico | Recurring |
| Actor | Character | Seasons | |
|---|---|---|---|
| 1 | 2 | ||
| Main cast | |||
| Anson Mount | Christopher "Chris" Pike | Main | |
| Ethan Peck | Spock | Main | |
| Jess Bush | Christine Chapel | Main | |
| Christina Chong | La'an Noonien-Singh | Main | |
| Celia Rose Gooding | Nyota Uhura | Main | |
| Melissa Navia | Erica Ortegas | Main | |
| Babs Olusanmokun | Joseph M'Benga | Main | |
| Bruce Horak | Hemmer | Main | Guest |
| Rebecca Romijn | Una Chin-Riley / Number One | Main | |
| Recurring cast | |||
| Dan Jeannotte | Sam Kirk | Recurring | |
| Rong Fu | Jenna Mitchell | Recurring | |
| Gia Sandhu | T'Pring | Recurring | Guest |
| Adrian Holmes | Robert April | Guest | Recurring |
| Melanie Scrofano | Marie Batel | Guest | Recurring |
| Paul Wesley | James T. Kirk | Special guest | Recurring |
| Carol Kane | Pelia | Recurring | |
| Special guests and legacy characters | |||
| Matthew Wolf | Montgomery Scott | Voice | |
| Martin Quinn | Guest | ||
| Mia Kirshner | Amanda Grayson | Guest | |
| Tawny Newsome | Beckett Mariner | Special guest | |
| Jack Quaid | Brad Boimler | Special guest | |
| Noël Wells | D'Vana Tendi | Special guest | |
| Eugene Cordero | Sam Rutherford | Special guest | |
| Jerry O'Connell | Jack Ransom | Special guest | |
Star Trek has an ongoing tradition of actors returning to reprise their roles in other spin-off series. In some instances, actors have portrayed potential ancestors, descendants, or relatives of characters they originated. Characters have also been recast for later appearances.
Click show below to view an incomplete list:
| List of Star Trek characters with recurring roles | ||||||||||||||
| Actor(s) | Character | The Original Series (1966–1969) | The Animated Series (1973–1974) | The Next Generation (1987–1994) | Deep Space Nine (1993–1999) | Voyager (1995–2001) | Enterprise (2001–2005) | Discovery (2017–present) | Short Treks [lower-greek 1] (2018–2020) | Picard (2020–2023) | Lower Decks (2020–present) | Prodigy (2021–present) | Strange New Worlds (2022–present) | Very Short Treks [lower-greek 2] (2023) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| William Shatner | James T. Kirk | Main | Archive footage [lower-greek 3] | Archive audio [lower-greek 4] | Archive audio [lower-greek 5] | |||||||||
| Paul Wesley | Recurring | |||||||||||||
| Jeffrey Hunter | Christopher Pike | Main [lower-greek 6] | Archive footage [lower-greek 7] | |||||||||||
| Sean Kenney | Guest [lower-greek 8] | |||||||||||||
| Anson Mount | Main [lower-greek 9] | Guest | Main | |||||||||||
| Leonard Nimoy | Spock | Main | Guest | Archive footage [lower-greek 3] | Archive footage [lower-greek 10] | Archive audio | ||||||||
| Ethan Peck | Recurring | Guest | Main | Guest | ||||||||||
| DeForest Kelley | Leonard McCoy | Main [lower-greek 11] | Guest | Archive footage [lower-greek 3] | Guest [lower-greek 12] | |||||||||
| James Doohan | Scotty | Co-star | Guest | Archive footage [lower-greek 3] | Archive audio | |||||||||
| Carlos Alazraqui | Guest | |||||||||||||
| Nichelle Nichols | Uhura | Co-star | Archive footage [lower-greek 3] | Archive audio | ||||||||||
| Celia Rose Gooding | Main | Guest | ||||||||||||
| George Takei | Hikaru Sulu | Co-star | Guest | Archive audio [lower-greek 5] | Guest | Guest | ||||||||
| Walter Koenig | Pavel Chekov | Co-star [lower-greek 13] | Archive footage [lower-greek 3] | Guest [lower-greek 14] | ||||||||||
| Jess Bush | Christine Chapel | Main | ||||||||||||
| Majel Barrett | Co-star | |||||||||||||
| Computer Voice | Recurring | Archive audio | ||||||||||||
| Lwaxana Troi | Recurring | |||||||||||||
| Una "Number One" Chin-Riley | Guest | Archive footage [lower-greek 7] | ||||||||||||
| Rebecca Romijn | Recurring | Guest | Main | |||||||||||
| Grace Lee Whitney | Janice Rand | Recurring | Guest | |||||||||||
| Roger C. Carmel | Harry Mudd | Recurring | Guest | |||||||||||
| Rainn Wilson | Recurring | Guest | ||||||||||||
| Patrick Stewart | Jean-Luc Picard | Main | Guest | Archive audio [lower-greek 4] | Archive footage [lower-greek 15] | Main | ||||||||
| Jonathan Frakes | William Riker | Main | Guest [lower-greek 16] | Recurring | Guest | Guest | ||||||||
| LeVar Burton | Geordi La Forge | Main | Guest | Recurring | ||||||||||
| Denise Crosby | Tasha Yar | Main [lower-greek 17] | ||||||||||||
| Sela | Recurring | |||||||||||||
| Michael Dorn | Worf | Main [lower-greek 18] | Recurring | |||||||||||
| Gates McFadden | Beverly Crusher | Main [lower-greek 19] | Recurring | Guest | Guest | |||||||||
| Marina Sirtis | Deanna Troi | Main | Guest | Recurring | Guest | |||||||||
| Brent Spiner | Data | Main | Guest [lower-greek 20] | Recurring | ||||||||||
| Arik Soong | Guest | |||||||||||||
| Altan Inigo Soong | Guest | |||||||||||||
| Adam Soong | Main | |||||||||||||
| Wil Wheaton | Wesley Crusher | Main [lower-greek 21] | Guest | |||||||||||
| Diana Muldaur | Katherine Pulaski | Main [lower-greek 22] | ||||||||||||
| Ann Mulhall | Guest | |||||||||||||
| Miranda Jones | Guest | |||||||||||||
| John de Lancie | Q | Recurring | Guest | Recurring | Recurring | Guest | ||||||||
| Whoopi Goldberg | Guinan | Recurring | Guest | |||||||||||
| Ito Aghayere | Recurring | |||||||||||||
| Dwight Schultz | Reginald Barclay | Recurring | Recurring | |||||||||||
| Jon Paul Steuer | Alexander Rozhenko | Guest | ||||||||||||
| Brian Bonsall | Recurring | |||||||||||||
| James Sloyan | Guest [lower-greek 23] | |||||||||||||
| Marc Worden | Recurring | |||||||||||||
| Jonathan Del Arco | Hugh | Recurring | Recurring | |||||||||||
| Michelle Forbes | Dara | Guest | ||||||||||||
| Ro Laren | Recurring | Guest | ||||||||||||
| Alice Krige | Borg Queen | Guest | Guest | |||||||||||
| Susanna Thompson | Recurring | |||||||||||||
| Annie Wersching | Recurring | |||||||||||||
| Avery Brooks | Benjamin Sisko | Main | ||||||||||||
| René Auberjonois | Odo | Main | Archive audio | |||||||||||
| Terry Farrell | Jadzia Dax | Main [lower-greek 24] | ||||||||||||
| Nicole de Boer | Ezri Dax | Main [lower-greek 25] | ||||||||||||
| Cirroc Lofton | Jake Sisko | Main | ||||||||||||
| Colm Meaney | Miles O'Brien | Recurring | Main | |||||||||||
| Armin Shimerman | Quark | Guest | Main | Guest | Guest | Guest | ||||||||
| Alexander Siddig [lower-greek 26] | Julian Bashir | Guest | Main | |||||||||||
| Nana Visitor | Kira Nerys | Main | Guest | |||||||||||
| Kate Mulgrew | Kathryn Janeway | Main | Main [lower-greek 27] | |||||||||||
| Robert Beltran | Chakotay | Main | Recurring | |||||||||||
| Roxann Dawson | B'Elanna Torres | Main | ||||||||||||
| Jennifer Lien | Kes | Main [lower-greek 28] | ||||||||||||
| Robert Duncan McNeill | Tom Paris | Main | Guest | |||||||||||
| Ethan Phillips | Neelix | Main | Guest | |||||||||||
| Robert Picardo | The Doctor | Guest [lower-greek 29] | Main | |||||||||||
| Tim Russ | Tuvok | Guest [lower-greek 30] | Main | Guest | ||||||||||
| Jeri Ryan | Seven of Nine | Main [lower-greek 31] | Main | |||||||||||
| Garrett Wang | Harry Kim | Main | ||||||||||||
| Manu Intiraymi | Icheb | Recurring | ||||||||||||
| Mark Bennington | Guest | |||||||||||||
| Casey King | Guest | |||||||||||||
| Scott Bakula | Jonathan Archer | Main | ||||||||||||
| Jolene Blalock | T'Pol | Main | ||||||||||||
| John Billingsley | Phlox | Main | ||||||||||||
| Dominic Keating | Malcolm Reed | Main | ||||||||||||
| Anthony Montgomery | Travis Mayweather | Main | ||||||||||||
| Linda Park | Hoshi Sato | Main | ||||||||||||
| Connor Trinneer | Trip Tucker | Main | Guest | |||||||||||
| Sonequa Martin-Green | Michael Burnham | Main | ||||||||||||
| Kyrie Mcalpin | Guest | |||||||||||||
| Doug Jones | Saru | Main | Guest | Guest | ||||||||||
| Shazad Latif | Ash Tyler / Voq | Main | ||||||||||||
| Anthony Rapp | Paul Stamets | Main | ||||||||||||
| Mary Wiseman | Sylvia Tilly | Main | Guest | |||||||||||
| Jason Isaacs | Gabriel Lorca | Main | ||||||||||||
| Wilson Cruz | Hugh Culber | Main | ||||||||||||
| Mark Lenard | Sarek | Guest | ||||||||||||
| James Frain | Recurring | |||||||||||||
| Jane Wyatt | Amanda Grayson | Guest | ||||||||||||
| Majel Barrett | Guest | |||||||||||||
| Mia Kirshner | Recurring | Guest | ||||||||||||
| Alison Pill | Agnes Jurati | Main | ||||||||||||
| Isa Briones | Dahj Asha / Soji Asha / Sutra / Kore Soong | Main | ||||||||||||
| Harry Treadaway | Narek | Main | ||||||||||||
| Michelle Hurd | Raffi Musiker | Main | ||||||||||||
| Santiago Cabrera | Chris Rios | Main | ||||||||||||
| Evan Evagora | Elnor | Main | ||||||||||||
| Orla Brady | Laris | Main | ||||||||||||
| Tallinn | Main | |||||||||||||
| Ed Speleers | Jack Crusher | Main | ||||||||||||
| Tawny Newsome | Beckett Mariner | Main | Guest | |||||||||||
| Jack Quaid | Brad Boimler | Main | Guest | |||||||||||
| Noël Wells | D'Vana Tendi | Main | Guest | |||||||||||
| Eugene Cordero | Sam Rutherford | Main | Guest | |||||||||||
| Dawnn Lewis | Carol Freeman | Main | ||||||||||||
| Jerry O'Connell | Jack Ransom | Main | Guest | |||||||||||
| Fred Tatasciore | Shaxs | Main | ||||||||||||
| Gillian Vigman | T'Ana | Main | ||||||||||||
| Brett Gray | Dal | Main | ||||||||||||
| Ella Purnell | Gwyndala | Main | ||||||||||||
| Jason Mantzoukas | Jankom Pog | Main | ||||||||||||
| Angus Imrie | Zero | Main | Guest | |||||||||||
| Rylee Alazraqui | Rok-Tahk | Main | ||||||||||||
| Dee Bradley Baker | Murf | Main | ||||||||||||
| Jimmi Simpson | Drednok | Main | ||||||||||||
| John Noble | The Diviner | Main | ||||||||||||
| Bonnie Gordon | The Ship's Computer | Main | Guest | |||||||||||
| Booker Bradshaw | Joseph M'Benga | Recurring | ||||||||||||
| Babs Olusanmokun | Main | |||||||||||||
| Christina Chong | La'an Noonien-Singh | Main | ||||||||||||
| Melissa Navia | Erica Ortegas | Main | ||||||||||||
| Bruce Horak | Hemmer | Main | Guest | |||||||||||
| Arlene Martel | T'Pring | Guest | ||||||||||||
| Gia Sandhu | Recurring | Guest | ||||||||||||
| ||||||||||||||
Star Trek: The Next Generation (TNG) is an American science fiction television series created by Gene Roddenberry. It originally aired from September 28, 1987, to May 23, 1994, in syndication, spanning 178 episodes over seven seasons. The third series in the Star Trek franchise, it was inspired by Star Trek: The Original Series. Set in the latter third of the 24th century, when Earth is part of the United Federation of Planets, it follows the adventures of a Starfleet starship, the USS Enterprise (NCC-1701-D), in its exploration of the Alpha quadrant and Beta quadrant in the Milky Way galaxy.
Star Trek: Enterprise, originally titled simply Enterprise for its first two seasons, is an American science fiction television series created by Rick Berman and Brannon Braga. It originally aired from September 26, 2001 to May 13, 2005 on United Paramount Network (UPN). The sixth series in the Star Trek franchise, it is a prequel to Star Trek: The Original Series. Set in the 22nd century, a hundred years before the events of The Original Series, it follows the adventures of the Enterprise, Earth's first starship capable of traveling at warp five, as it explores the galaxy and encounters various alien species.
Deanna Troi is a main character in the science-fiction television series Star Trek: The Next Generation and related TV series and films, portrayed by actress Marina Sirtis. Troi is half-human, half-Betazoid, and has the psionic ability to sense emotions. She serves as the ship's counsellor on USS Enterprise-D. Throughout most of the series, she holds the rank of lieutenant commander. In the seventh season, Troi takes the bridge officer's examination and is promoted to the rank of commander, but continues as counsellor.
William Thomas "Will" Riker is a fictional character in the Star Trek universe appearing primarily as a main character in Star Trek: The Next Generation, portrayed by Jonathan Frakes. Throughout the series and its accompanying films, he is the Enterprise's first officer, and briefly captain, until he accepts command of the USS Titan at the end of Star Trek: Nemesis. He is the husband of Deanna Troi.
Spock is a fictional character in the Star Trek media franchise. He first appeared in the original Star Trek series serving aboard the starship USS Enterprise as science officer and first officer and later as commanding officer of the vessel. Spock's mixed human–Vulcan heritage serves as an important plot element in many of the character's appearances. Along with Captain James T. Kirk and Dr. Leonard "Bones" McCoy, he is one of the three central characters in the original Star Trek series and its films. After retiring from active duty in Starfleet, Spock served as a Federation ambassador, and later became involved in the ill-fated attempt to save Romulus from a supernova, leading him to live out the rest of his life in a parallel universe.
Ro Laren is a fictional character appearing on a recurring basis in the fifth, sixth and seventh seasons of the American science-fiction television series Star Trek: The Next Generation. The character returned for the third season of Star Trek: Picard. Portrayed by Michelle Forbes, she is a member of the Bajoran species who joins the crew of the USS Enterprise-D over the fervent objection of Captain Jean-Luc Picard, who cited her previous court-martial. Ro, too, was against joining the Enterprise crew but said, "It is better than prison." The character was intended both to be at odds with the series regulars and to replace Wesley Crusher in the conn officer post on the bridge. Forbes was cast to portray Ro after previously appearing in the series as Dara in the episode "Half a Life".
"In a Mirror, Darkly" is the eighteenth and nineteenth episodes of the fourth season of the American science fiction television series Star Trek: Enterprise, and originally aired on April 22 and 29, 2005. This installment was developed to be a sequel to The Original Series episode "The Tholian Web" and a prequel to "Mirror, Mirror". The decision to set an Enterprise episode in the mirror universe originated with a pitch to enable William Shatner to appear in the series. The teleplays for both parts of the episode were written by Mike Sussman, with Manny Coto contributing the story for the second part.
"Terra Prime" is the 21st episode of the fourth season of the American science fiction television series Star Trek: Enterprise, and originally aired on May 13, 2005. The story was developed by Judith and Garfield Reeves-Stevens, along with André Bormanis, and developed into a script by the Reeves-Stevenses and show runner Manny Coto. The episode is the second of a two-part story, which started in "Demons". The episode was directed by Marvin Rush, his second for the series.
The third season of the American science fiction television series Star Trek: The Next Generation commenced airing in broadcast syndication in the United States on September 25, 1989 and concluded on June 18, 1990 after airing 26 episodes. Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship Enterprise-D. This season featured the return of Gates McFadden as Dr. Beverly Crusher after she was replaced by Diana Muldaur for the second season. The season also saw the debut of several actors who would reappear in the same roles and others throughout the franchise, such as Dwight Schultz as Lt. Reginald Barclay, and Tony Todd as Kurn.
Star Trek: Lower Decks is an American adult animated science fiction television series created by Mike McMahan for the streaming service CBS All Access. It is the ninth Star Trek series and debuted in 2020 as part of executive producer Alex Kurtzman's expanded Star Trek Universe. The franchise's first animated series since Star Trek: The Animated Series concluded in 1974, and also its first comedy, Lower Decks follows the low-ranking support crew of the starship Cerritos in the 24th century.
The first season of the American adult animated television series Star Trek: Lower Decks is set in the 24th century and follows the adventures of the low-ranking officers with menial jobs on the starship Cerritos, one of Starfleet's least important starships. The season was produced by CBS Eye Animation Productions in association with Secret Hideout, Important Science, Roddenberry Entertainment, and animation studio Titmouse, with Mike McMahan serving as showrunner and Juno Lee as supervising director.
The second season of the American adult animated television series Star Trek: Lower Decks is set in the 24th century and follows the adventures of the low-ranking officers with menial jobs on the starship Cerritos, one of Starfleet's least important starships. The season was produced by CBS Eye Animation Productions in association with Secret Hideout, Important Science, Roddenberry Entertainment, and animation studio Titmouse, with Mike McMahan serving as showrunner and Barry J. Kelly as supervising director.
Bradward "Brad" Boimler is a fictional character from the American science fiction television series Star Trek: Lower Decks. He is known for being ambitious while diligently following the rules of the service, and pleading excessively for his best friend, Ensign Beckett Mariner, an openly insubordinate ensign who regularly skirts the consequences, to do the same. Although in the far future, Boimler is remembered for the Boimler Effect, a ship-wide mandate aboard the USS Cerritos encouraging breaking the rules, a distinction Boimler would not approve of. However, as the series progresses, Boimler eventually distinguishes himself as a courageous and resourceful officer of considerable command potential.
"Those Old Scientists" is the seventh episode of the second season of the television series Star Trek: Strange New Worlds and was released on Paramount+ on July 22, 2023. In this crossover episode, characters from the animated series Star Trek: Lower Decks are sent back in time to the 23rd-century setting of Strange New Worlds. Captain Christopher Pike and the crew of the USS Enterprise (NCC-1701) have to work with Ensigns Mariner and Boimler to return them to their proper time.
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