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John Leeson

John Leeson

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.

Born

Mar 16, 1943

Leicester, Leicestershire, England, UK

Died

Nov 01, 2026

Known For

Acting

Movies

43 acting

0 crew

Popularity

0.9

Doctor Who: Full Circle
Doctor Who: Full Circle
1980 • as K9 (voice)
★ 6.6
Doctor Who: Meglos
Doctor Who: Meglos
1980 • as K9 (voice)
★ 5.0
The Five(ish) Doctors Reboot
★ 7.8
K-9 and Company: A Girl's Best Friend
★ 5.7
Doctor Who: The Five Doctors
Doctor Who: The Five Doctors
1983 • as K9 (voice)
★ 7.8
Doctor Who: Dimensions in Time
Doctor Who: Dimensions in Time
1993 • as K9 (voice)
★ 4.8
Doctor Who: The Power of Kroll
★ 4.7
Doctor Who: The Leisure Hive
Doctor Who: The Leisure Hive
1980 • as K9 (voice)
★ 7.0
Whoops Apocalypse
Whoops Apocalypse
1986 • as TV Interviewer
★ 5.6
Doctor Who: State of Decay
Doctor Who: State of Decay
1980 • as K9 (voice)
★ 7.3
Doctor Who: Warriors' Gate
Doctor Who: Warriors' Gate
1981 • as K9 (voice)
★ 5.1
Doctor Who: The Invasion of Time
Doctor Who: The Invasion of Time
1978 • as K9 (voice)
★ 6.2
Doctor Who: Remembrance of the Daleks
Doctor Who: Remembrance of the Daleks
1988 • as Dalek Battle Computer (voice)
★ 8.9
Doctor Who: The Pirate Planet
Doctor Who: The Pirate Planet
1978 • as K-9 (voice)
★ 7.0
Doctor Who: The Invisible Enemy
Doctor Who: The Invisible Enemy
1977 • as K-9 Mk. I (voice) / Nucleus (voice)
★ 7.2
Doctor Who: The Androids of Tara
Doctor Who: The Androids of Tara
1978 • as K-9 (Voice)
★ 7.2
The Doctor Who Escape Room: Team Third Doctor
★ 10.0
Tarka the Otter
Tarka the Otter
1979 • as Secretary of the Hunt
★ 6.8
Doctor Who: The Armageddon Factor
Doctor Who: The Armageddon Factor
1979 • as K-9 (voice)
★ 5.5
Doctor Who: The Ribos Operation
Doctor Who: The Ribos Operation
1978 • as K-9 (voice)
★ 6.8
Downtime
Downtime
1995 • as Anthony the D.J.
★ 5.7
Doctor Who: The Sun Makers
Doctor Who: The Sun Makers
1977 • as K9 Mk. I (voice)
★ 7.0
Longleat '83: The Greatest Show in the Galaxy
★ 7.0
Merry Christmas Doctor Who
Merry Christmas Doctor Who
1978 • as K9 (voice)
★ 10.0
Doctor Who: The Stones of Blood
Doctor Who: The Stones of Blood
1978 • as K-9 (voice)
★ 7.8
Doctor Who: Underworld
Doctor Who: Underworld
1978 • as K-9 Mk. I (voice)
★ 5.2
Doctor Who: Shada
Doctor Who: Shada
2003 • as K9 (voice)
★ 7.3
The Barretts of Wimpole Street
The Barretts of Wimpole Street
1982 • as Henry Barrett
★ 9.0
movie
Husband to Mrs. Fitzherbert
1975 • as Clergyman
Myth Runner
Myth Runner
1987 • as Himself
★ 10.0
K9 Unleashed
★ 8.0
Search Out Space
Search Out Space
1990 • as K9 (voice)
★ 8.0