Romana, short for Romanadvoratrelundar, is a fictional character in the long-running British science fiction television series Doctor Who. A Time Lord from the planet Gallifrey, she is a companion to the Fourth Doctor.
The Master, or "Missy " in their female incarnation, is a recurring character in the British science fiction television series Doctor Who and its associated spin-off works. They are a renegade alien Time Lord and the childhood friend and later enemy of the title character, the Doctor.
The Seeds of Death is the fifth serial of the sixth season of the British science fiction television series Doctor Who. Written by Brian Hayles and an uncredited Terrance Dicks and directed by Michael Ferguson, it originally aired in six weekly parts on BBC1 from 25 January to 1 March 1969. It sees the return of the Ice Warriors, previously introduced by Hayles in the 1967 serial The Ice Warriors.
The Evil of the Daleks is the mostly-missing ninth and final serial of the fourth season in the British science fiction television series Doctor Who, which originally aired in seven weekly parts from 20 May to 1 July 1967.
Susan Foreman is a fictional character in the British science fiction television series Doctor Who. The granddaughter of the Doctor and original companion of their first incarnation, she was played by actress Carole Ann Ford from 1963 to 1964, in the show's first season and the first two stories of the second season. Ford reprised the role for the feature-length 20th anniversary episode "The Five Doctors" (1983) and the 30th anniversary charity special Dimensions in Time (1993).
Sergeant John Benton is a fictional character in the British science fiction television series Doctor Who, played by John Levene. He was the senior NCO of the British contingent of UNIT, a fictional international organisation that defends Earth from alien threats, and is eventually promoted to the rank of Warrant Officer Class 1, holding the post of regimental sergeant major. He appeared semi-regularly on the programme from 1968 to 1975.
Zoe Heriot is a fictional character played by Wendy Padbury in the long-running British science fiction television series Doctor Who. A young astrophysicist who lived on a space wheel in the 21st century, she was a companion of the Second Doctor and a regular in the programme from 1968 to 1969. Zoe appeared in eight stories.
James Robert McCrimmon, usually simply called Jamie, is a fictional character played by Frazer Hines in the long-running British science fiction television series Doctor Who. A piper of the Clan MacLeod who lived in 18th-century Scotland, he was a companion of the Second Doctor and a regular in the programme from 1966 to 1969. The spelling of his surname varies from one script to another; it is alternately rendered as Macrimmon and McCrimmond. Jamie appeared in 20 stories.
Benjamin "Ben" Jackson and Polly, sometimes called Polly Wright in spin-off material, are fictional characters played by Michael Craze and Anneke Wills, in the long-running British science fiction television series Doctor Who.
The First Doctor is the original incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He was portrayed by actor William Hartnell in the first three series from 1963 to 1966 and the tenth anniversary story The Three Doctors from 1972 to 1973. The character would occasionally appear in the series after Hartnell's death, most prominently as portrayed by Richard Hurndall in the 1983 multi-doctor special "The Five Doctors", and as portrayed by David Bradley in the 2017 Twelfth Doctor episodes "The Doctor Falls" and "Twice Upon a Time" and in the 2022 Thirteenth Doctor episode "The Power of the Doctor", the latter previously having portrayed Hartnell himself in the 2013 biopic An Adventure in Space and Time.
The Second Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He was portrayed by actor Patrick Troughton. Out of his 119 episodes, 53 are missing.
The Fifth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Peter Davison.
The Sixth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Colin Baker. Although his televisual time on the series was comparatively brief and turbulent, Baker has continued as the Sixth Doctor in Big Finish's range of original Doctor Who audio adventures.
The Fourth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Tom Baker.
The Faceless Ones is the mostly missing eighth serial of the fourth season in the British science fiction television series Doctor Who, which was first broadcast in six weekly parts from 8 April to 13 May 1967.
The Wheel in Space is the partly missing seventh and final serial of the fifth season in the British science fiction television series Doctor Who, which originally aired in six weekly parts from 27 April to 1 June 1968.
The fourth season of British science fiction television series Doctor Who began on 10 September 1966 with the First Doctor story The Smugglers and, after a change of lead actor part-way through the series, ended on 1 July 1967 with The Evil of the Daleks. For the first time, the entire main cast changed over the course of a single season.