John Leeson
Biography
John Leeson is a British actor born on January 1, 1943, in Leicester, Leicestershire, England, United Kingdom. He is known for voicing K-9 on the television series Doctor Who from 1977 to 1979, and again from 1980 to 1981, as well as returning for two single episodes in the revived series. Additionally, he voiced the character in the television show spin-offs K-9 and Company, The Sarah Jane Adventures, and K-9. His acting career includes sixty-four known credits listed on the Movie Database, reflecting his work primarily in television.
Career overview
John Leeson is a British actor born on January 1, 1943, in Leicester, Leicestershire, England, United Kingdom. Throughout his acting career, he has accumulated sixty-four known credits. He is best known for providing the voice of the character K-9 on the television series Doctor Who. His tenure on the original series spanned from 1977 to 1979, and subsequently from 1980 to 1981, followed by a return for two single episodes in the revived series.
In addition to his work on Doctor Who, Leeson voiced the character K-9 in several of the show's spin-offs. These television projects include K-9 and Company, The Sarah Jane Adventures, and K-9.
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Career timeline
Full Filmography
67 titles- The Doctor Who Escape Room: Team Third Doctor (2025) as K9 (voice)
- Darkness & Light: The Life of Graham Williams (2024) as Self
- Doctor Who: Behind the Sofa (2018) as Self
- The Doctors: The Tom Baker Years (2017)
- Myth Makers (2015) as Himself
- Longleat '83: The Lost Footage (2015)
- The Five(ish) Doctors Reboot (2013) as Self
- Pointless Celebrities (2011) as K-9 (voice)
- K-9 (2009) as K-9 (voice)
- Celebration: Doctor Who in 1983 (2008)
- The K-9 Files (2008)
- The Sarah Jane Adventures (2007) as K9 (voice)
- Parrot Fashion (2007)
- A Matter of Time (2007)
- The Sarah Jane Adventures: Invasion of the Bane (2007) as K9
- Getting Blood from the Stones (2007)
- Doctor Who (2005) as K9 (voice)
- A New Beginning (2004)
- Doctor Who: Shada (2003) as K9 (voice)
- Longleat '83: The Greatest Show in the Galaxy (2001) as Himself - Host
- Longitude (2000) as BBC Producer
- K9 Unleashed (2000)
- Vanity Fair (1998) as Priest
- Where on Earth Is Katy Manning? (1998)
- Bugs (1995) as Harris
- Downtime (1995) as Anthony the D.J.
- Doctor Who: Dimensions in Time (1993) as K9 (voice)
- Search Out Space (1990) as K9 (voice)
- Shadow of the Noose (1989) as Dickinson
- Doctor Who: Remembrance of the Daleks (1988) as Dalek Battle Computer (voice)
- Myth Runner (1987) as Himself
- Whoops Apocalypse (1986) as TV Interviewer
- 'Allo 'Allo! (1984) as Train's Cook
- Doctor Who: The Five Doctors (1983) as K9 (voice)
- The Barretts of Wimpole Street (1982) as Henry Barrett
- Sorry! (1981)
- K-9 and Company (1981) as K-9 (voice)
- K-9 and Company: A Girl's Best Friend (1981) as K-9 (voice)
- Doctor Who: Warriors' Gate (1981) as K9 (voice)
- Doctor Who: Meglos (1980) as K9 (voice)
- Doctor Who: Full Circle (1980) as K9 (voice)
- Doctor Who: The Leisure Hive (1980) as K9 (voice)
- Doctor Who: State of Decay (1980) as K9 (voice)
- Minder (1979) as Passport Officer
- Jigsaw (1979) as Jig
- Doctor Who: The Armageddon Factor (1979) as K-9 (voice)
- Tarka the Otter (1979) as Secretary of the Hunt
- Doctor Who: The Power of Kroll (1979) as Dugeen
- Blake's 7 (1978) as Toise
- Blake's 7 (1978) as Pasco
- Doctor Who: The Pirate Planet (1978) as K-9 (voice)
- Doctor Who: Underworld (1978) as K-9 Mk. I (voice)
- Doctor Who: The Ribos Operation (1978) as K-9 (voice)
- Doctor Who: The Stones of Blood (1978) as K-9 (voice)
- Doctor Who: The Androids of Tara (1978) as K-9 (Voice)
- Doctor Who: The Invasion of Time (1978) as K9 (voice)
- Merry Christmas Doctor Who (1978) as K9 (voice)
- Doctor Who: The Sun Makers (1977) as K9 Mk. I (voice)
- Doctor Who: The Invisible Enemy (1977) as K-9 Mk. I (voice) / Nucleus (voice)
- Husband to Mrs. Fitzherbert (1975) as Clergyman
- Rainbow (1972) as Bungle
- On the House (1970) as Young Man
- Dad's Army (1968) as Soldier
- The Spanish Farm (1968) as Lt Mansfield
- Doctor Who (1963) as K9 (voice)
- Doctor Who (1963) as Dugeen
- Doctor Who (1963) as Daleks (voice)
Frequently Asked Questions
What movies or TV shows is John Leeson best known for?
John Leeson is widely recognized for notable roles and projects including Pointless Celebrities (2011), The Prince and the Pauper (1990), Mean Streets (1973), Malachite (2026).
When and where was John Leeson born?
John Leeson was born on January 1, 1943 in Leicester, Leicestershire, England, UK.
How many credits does John Leeson have?
John Leeson has accumulated over 67 film and television credits across a career spanning from 1963 to 2025.
What is John Leeson's background in cinema and television?
John Leeson is a British actor born on January 1, 1943, in Leicester, Leicestershire, England, United Kingdom. He is known for voicing K-9 on the television series Doctor Who from 1977 to 1979, and again from 1980 to 1981, as well as returning for two single episodes in the revived series. Additionally, he voiced the c...