The Monk is a fictional character in the British science fiction television series Doctor Who. Played by the British actor Peter Butterworth, the character appeared in two stories, The Time Meddler and The Daleks' Master Plan, as an adversary of the First Doctor. They were written and co-written respectively by Dennis Spooner.
The Master, or Missy, 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 archenemy of the title character, the Doctor. They were most recently portrayed by Sacha Dhawan.
The Rani is a fictional character in the British science fiction television series Doctor Who. She was played by Kate O'Mara.
The Mysterious Planet is the first serial of the larger narrative known as The Trial of a Time Lord which encompasses the whole of the 23rd season of the British science fiction television series Doctor Who. It was first broadcast in four weekly parts on BBC1 from 6 to 27 September 1986. The title The Mysterious Planet is not used on-screen and only appears in the serial's scripts with the four episodes that comprise the story being transmitted as The Trial of a Time Lord Parts One to Four.
The Ultimate Foe is the fourth and final serial of the larger narrative known as The Trial of a Time Lord which encompasses the whole of the 23rd season of the British science fiction television series Doctor Who. It was first broadcast in two weekly parts on BBC1 on 29 November and 6 December 1986. This segment is also cited in some reference works under its working title of Time Incorporated. The title The Ultimate Foe is never used on-screen and was first used in relation to these episodes for the 1988 novelisation, with the two episodes that comprise the serial being referred to as The Trial of a Time Lord Parts Thirteen and Fourteen. This was the last story to feature Colin Baker as the Sixth Doctor, as Baker declined to do the regeneration for the following story, Time and the Rani.
The Matrix, in the long-running British science fiction television series Doctor Who, is a massive computer system on the planet Gallifrey that acts as the repository of the combined knowledge of the Time Lords.
Ace is a fictional character played by Sophie Aldred in the long-running British science fiction television series Doctor Who. A 20th-century Earth teenager from the London suburb of Perivale, she is a companion of the Seventh Doctor and was a regular in the series from 1987 to 1989. She is considered one of the Doctor's most popular companions.
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. Mel appeared in six stories, and is the penultimate companion of the classic series.
The Seventh Doctor is an incarnation of the Doctor, the protagonist of the BBC science fiction television series Doctor Who, and the final incarnation of the original Doctor Who series. 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 remove the sole witness to their near destruction of life on Earth.
Dragonfire is the fourth and final serial of the 24th season of the British science fiction television series Doctor Who, which was first broadcast in three weekly parts from 23 November to 7 December 1987. This serial marked the departure of Bonnie Langford as Mel Bush and the introduction of Sophie Aldred as companion Ace.
The Sixth Doctor is an incarnation of the Doctor, the protagonist of the BBC 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.
Irving Braxiatel or Cardinal Braxiatel is a fictional character from the Virgin New Adventures—spin-off novels based on the BBC science fiction television series Doctor Who. He subsequently became a regular character in novels and audio dramas in the Bernice Summerfield series. In the Big Finish Productions audio dramas he is voiced by Miles Richardson. He is also stated to be the older brother of the Doctor.
Death Comes to Time is a webcast audio drama based on the long-running British science fiction television series Doctor Who, produced by the BBC and first broadcast in five episodes on the BBCi Cult website from 12 July 2001, accompanied by limited animation.
Matrix is a BBC Books original novel written by Mike Tucker and Robert Perry and based on the long-running British science fiction television series Doctor Who.
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 Gallifrey Chronicles is a BBC Books original novel written by Lance Parkin and based on the long-running British science fiction television series Doctor Who. It was the last of the Eighth Doctor Adventures range and features the Eighth Doctor, Fitz Kreiner, and Trix MacMillan.
