John Leeson
Known For
Acting
Gender
Male
Birthday
Jan 1, 1943 (83 years old)
Place of Birth
Leicester, Leicestershire, England, UK
Biography
John Leeson is a British actor who is known for voicing K-9 on the television series Doctor Who from 1977 to 1979, then from 1980 to 1981, and has returned for two single episode in the revived 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
| 2025 | Doctor Who: Gallifrey | |
| 2025 | The Doctor Who Escape Room: Team Third DoctorK9 (voice) | |
| 2024 | Darkness & Light: The Life of Graham WilliamsSelf | |
| 2018 | Doctor Who: Behind the SofaSelf | |
| 2017 | The Doctors: The Tom Baker Years | |
| 2015 | Longleat '83: The Lost Footage | |
| 2015 | Myth MakersHimself | |
| 2013 | The Five(ish) Doctors RebootSelf | |
| 2013 | Doctor Who and the Shada ManK9 (voice) | |
| 2013 | Doctor Who: GallifreyThe Prince | |
| 2011 | Pointless CelebritiesK-9 (voice) | |
| 2009 | The Sarah Jane Adventures: From Raxacoricofallapatorius with LoveK9 (voice) | |
| 2009 | K-9K-9 (voice) | |
| 2008 | Celebration: Doctor Who in 1983 | |
| 2008 | The K-9 Files | |
| 2007 | The Sarah Jane Adventures: Invasion of the BaneK9 | |
| 2007 | A Matter of Time | |
| 2007 | Parrot Fashion | |
| 2007 | Getting Blood from the Stones | |
| 2007 | The Sarah Jane AdventuresK9 (voice) | |
| 2005 | Doctor WhoK9 (voice) | |
| 2004 | A New Beginning | |
| 2003 | Doctor Who: ShadaK9 (voice) | |
| 2001 | Longleat '83: The Greatest Show in the GalaxyHimself - Host | |
| 2000 | K9 Unleashed | |
| 2000 | LongitudeBBC Producer | |
| 1998 | Where on Earth Is Katy Manning? | |
| 1998 | Vanity FairPriest | |
| 1995 | DowntimeAnthony the D.J. | |
| 1995 | BugsHarris | |
| 1993 | Doctor Who: Dimensions in TimeK9 (voice) | |
| 1990 | Search Out SpaceK9 (voice) | |
| 1989 | Shadow of the NooseDickinson | |
| 1988 | Doctor Who: Remembrance of the DaleksDalek Battle Computer (voice) | |
| 1987 | Myth RunnerHimself | |
| 1986 | Whoops ApocalypseTV Interviewer | |
| 1984 | 'Allo 'Allo!Train's Cook | |
| 1983 | Doctor Who: The Five DoctorsK9 (voice) | |
| 1982 | The Barretts of Wimpole StreetHenry Barrett | |
| 1981 | Doctor Who: Warriors' GateK9 (voice) | |
| 1981 | K-9 and Company: A Girl's Best FriendK-9 (voice) | |
| 1981 | K-9 and CompanyK-9 (voice) | |
| 1981 | Sorry! | |
| 1980 | Doctor Who: MeglosK9 (voice) | |
| 1980 | Doctor Who: The Leisure HiveK9 (voice) | |
| 1980 | Doctor Who: Full CircleK9 (voice) | |
| 1980 | Doctor Who: State of DecayK9 (voice) | |
| 1979 | Tarka the OtterSecretary of the Hunt | |
| 1979 | Doctor Who: The Power of KrollDugeen | |
| 1979 | Doctor Who: The Armageddon FactorK-9 (voice) | |
| 1979 | MinderPassport Officer | |
| 1978 | Doctor Who: The Ribos OperationK-9 (voice) | |
| 1978 | Doctor Who: UnderworldK-9 Mk. I (voice) | |
| 1978 | Doctor Who: The Invasion of TimeK9 (voice) | |
| 1978 | Doctor Who: The Stones of BloodK-9 (voice) | |
| 1978 | Doctor Who: The Androids of TaraK-9 (Voice) | |
| 1978 | Doctor Who: The Pirate PlanetK-9 (voice) | |
| 1978 | Merry Christmas Doctor WhoK9 (voice) | |
| 1978 | Blake's 7Pasco | |
| 1978 | Blake's 7Toise | |
| 1977 | Doctor Who: The Sun MakersK9 Mk. I (voice) | |
| 1977 | Doctor Who: The Invisible EnemyK-9 Mk. I (voice) / Nucleus (voice) | |
| 1975 | Husband to Mrs. FitzherbertClergyman | |
| 1972 | RainbowBungle | |
| 1970 | On the HouseYoung Man | |
| 1968 | Dad's ArmySoldier | |
| 1963 | Doctor WhoK9 (voice) | |
| 1963 | Doctor WhoDugeen |