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. They were most recently portrayed by Sacha Dhawan.
The Rani is a fictional character in the British BBC science fiction television series Doctor Who, portrayed by Kate O'Mara. She is a renegade Time Lord, and a nemesis of the series' title character, a Time Lord known as the Doctor. The Rani is an amoral biochemist who experiments on humans and other species, and considers everything secondary to her research. The character appeared in two classic serials, The Mark of the Rani (1985) and Time and the Rani (1987), before the original run of Doctor Who went off the air in 1989. The Rani later appeared as the principal villain in Dimensions in Time, a 1993 Doctor Who charity television special for BBC Children in Need. The character has since been featured in multiple Doctor Who audio dramas and novels.
Time and the Rani is the first serial of the 24th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from 7 to 28 September 1987. It was the first to feature Sylvester McCoy as the Seventh Doctor.
The Doctor is the protagonist of the long-running BBC science fiction television series Doctor Who. Since the show's inception in 1963, the character has been portrayed by fourteen lead actors. "The Doctor" is the alias of a humanoid alien, a Time Lord travelling through space and time in their ship, the TARDIS, often with companions. The transition to each succeeding actor is explained within the show's narrative through the plot device of "regeneration", a biological function of Time Lords that allows a change of cellular structure and appearance with recovery following a fatal injury.
Adric is a fictional character played by Matthew Waterhouse in the long-running British science fiction television series Doctor Who. He was a young native of the planet Alzarius, which exists in the parallel universe of E-Space. A companion of the Fourth and Fifth Doctors, he was a regular in the programme from 1980 to 1982 and appeared in 11 stories. The name Adric is an anagram derived from the physicist Paul Dirac.
Melanie "Mel" Bush is a fictional character played by Bonnie Langford in the long-running British science fiction television series Doctor Who. A computer programmer from the 20th century who is a companion of the Sixth and Seventh Doctors, she was a regular in the programme from 1986 to 1987 and returned in 2022-2025. Mel appeared in eight stories, and is the penultimate companion of the classic series.
The Seventh Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Scottish actor Sylvester McCoy.
The Valeyard is a fictional character from the long-running British science fiction television series Doctor Who. He is described by the Master as an amalgamation of the Doctor's darker sides from between his twelfth and final incarnations. In the story The Trial of a Time Lord, comprising the whole of Season 23, the High Council of the Time Lords appoint the Valeyard as prosecutor at the Sixth Doctor's trial, hoping to have him executed and thereby removing the sole witness to their near destruction of life on Earth.
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 Past Doctor Adventures were a series of spin-off novels based on the long running BBC science fiction television series Doctor Who and published under the BBC Books imprint. For most of their existence, they were published side-by-side with the Eighth Doctor Adventures. The novels regularly featured the First through Seventh Doctors. The Infinity Doctors had an ambiguous place in continuity and featured an unidentified incarnation of the Doctor. The Eighth Doctor co-starred with the Fourth Doctor in one novel (Wolfsbane) and, after the Eighth Doctor Adventures had ceased publication, a novel featuring the Eighth Doctor and set between two earlier Eighth Doctor Adventures was published within the Past Doctor series.
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 Eight Doctors is a BBC Books original novel written by Terrance Dicks and based on the long-running British science fiction television series Doctor Who. It was the first of the Eighth Doctor Adventures range and features the Eighth Doctor and introduces his new companion, Sam Jones. The novel takes place immediately after the 1996 television movie.
Instruments of Darkness is a BBC Books original novel written by Gary Russell and based on the long-running British science fiction television series Doctor Who. It features the Sixth Doctor and Mel.
Head Games is an original novel written by Steve Lyons and based on the long-running British science fiction television series Doctor Who. It features the Seventh Doctor, Bernice, Chris, Roz, Mel and Ace.
In the long-running British science fiction television series Doctor Who, regeneration is a biological ability exhibited by the Time Lords, a race of fictional humanoids originating on the planet Gallifrey. This process allows a Time Lord to undergo a transformation into a new physical form and a somewhat different personality after instances which would normally result in death. Regeneration has been used multiple times throughout the history of the show as a device for introducing a new actor for the lead role of its main character, the Doctor. Other Time Lords and similar characters have also regenerated, usually for narrative reasons, rather than casting.
The Eighth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Paul McGann.
The twenty-fourth season of British science fiction television series Doctor Who began on 7 September 1987 with Sylvester McCoy's first story Time and the Rani, and ended with Dragonfire. John Nathan-Turner produced the series, with Andrew Cartmel script editing.
The Sixth Doctor: The Last Adventure is a British audio drama based on the long-running British science fiction television series Doctor Who.
