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Actor
John Leeson
- Born March 16, 1943 in Leicester, Leicestershire, England, UK
- Died November 1, 2026
John Leeson (16 March 1943 — 1 November 2026) was a British actor, known for voicing K-9 on the television series Doctor Who from 1977–79, then from 1980–81, and returned for two single episodes in the revival series. He also voiced K-9 in the show's spin-offs K-9 and Company, The Sarah Jane Adventures, and K-9.
Known for
Doctor Who2005
Doctor Who1963
'Allo 'Allo!1984
The Sarah Jane Adventures2007
Dad's Army1968
Blake's 71978
Minder1979
Doctor Who: The Five Doctors1983
Filmography
- 2025The Doctor Who Escape Room: Team Third DoctorFilmK9 (voice)
- 2024Darkness & Light: The Life of Graham WilliamsFilmSelf
- 2018Doctor Who: Behind the SofaSeriesSelf
- 2017The Doctors: The Tom Baker YearsFilm
- 2015Longleat '83: The Lost FootageFilm
- 2015Myth MakersSeriesHimself
- 2013The Five(ish) Doctors RebootFilmSelf
- 2011Pointless CelebritiesSeriesK-9 (voice)
- 2009K-9SeriesK-9 (voice)
- 2008Celebration: Doctor Who in 1983Film
- 2008The K-9 FilesFilm
- 2007The Sarah Jane AdventuresSeriesK9 (voice)
- 2007The Sarah Jane Adventures: Invasion of the BaneFilmK9
- 2007A Matter of TimeFilm
- 2007Parrot FashionFilm
- 2007Getting Blood from the StonesFilm
- 2005Doctor WhoSeriesK9 (voice)
- 2004A New BeginningFilm
- 2003Doctor Who: ShadaFilmK9 (voice)
- 2001Longleat '83: The Greatest Show in the GalaxyFilmHimself - Host
- 2000LongitudeSeriesBBC Producer
- 2000K9 UnleashedFilm
- 1998Vanity FairSeriesPriest
- 1998Where on Earth Is Katy Manning?Film
- 1995BugsSeriesHarris
- 1995DowntimeFilmAnthony the D.J.
- 1993Doctor Who: Dimensions in TimeFilmK9 (voice)
- 1990Search Out SpaceFilmK9 (voice)
- 1989Shadow of the NooseSeriesDickinson
- 1988Doctor Who: Remembrance of the DaleksFilmDalek Battle Computer (voice)
- 1987Myth RunnerFilmHimself
- 1986Whoops ApocalypseFilmTV Interviewer
- 1984'Allo 'Allo!SeriesTrain's Cook
- 1983Doctor Who: The Five DoctorsFilmK9 (voice)
- 1982The Barretts of Wimpole StreetFilmHenry Barrett
- 1981K-9 and CompanySeriesK-9 (voice)
- 1981Sorry!Series
- 1981K-9 and Company: A Girl's Best FriendFilmK-9 (voice)
- 1981Doctor Who: Warriors' GateFilmK9 (voice)
- 1980Doctor Who: Full CircleFilmK9 (voice)
- 1980Doctor Who: MeglosFilmK9 (voice)
- 1980Doctor Who: State of DecayFilmK9 (voice)
- 1980Doctor Who: The Leisure HiveFilmK9 (voice)
- 1979MinderSeriesPassport Officer
- 1979Tarka the OtterFilmSecretary of the Hunt
- 1979Doctor Who: The Armageddon FactorFilmK-9 (voice)
- 1979Doctor Who: The Power of KrollFilmDugeen
- 1979JigsawSeriesJig
- 1978Blake's 7SeriesToise, Pasco
- 1978Doctor Who: The Androids of TaraFilmK-9 (Voice)
- 1978Doctor Who: The Pirate PlanetFilmK-9 (voice)
- 1978Doctor Who: The Ribos OperationFilmK-9 (voice)
- 1978Doctor Who: The Invasion of TimeFilmK9 (voice)
- 1978Doctor Who: The Stones of BloodFilmK-9 (voice)
- 1978Doctor Who: UnderworldFilmK-9 Mk. I (voice)
- 1978Merry Christmas Doctor WhoFilmK9 (voice)
- 1977Doctor Who: The Invisible EnemyFilmK-9 Mk. I (voice) / Nucleus (voice)
- 1977Doctor Who: The Sun MakersFilmK9 Mk. I (voice)
- 1975Husband to Mrs. FitzherbertFilmClergyman
- 1972RainbowSeriesBungle
- 1970On the HouseSeriesYoung Man
- 1968Dad's ArmySeriesSoldier
- 1968The Spanish FarmSeriesLt Mansfield
- 1963Doctor WhoSeriesK9 (voice), Dugeen, Daleks (voice)