John Leeson

Known for: Acting
Born: January 1, 1943, Leicester, Leicestershire, England, UK
Movies: 43

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.

Best-Known Movies

7.8

The Five(ish) Doctors Reboot

2013

7.8

Doctor Who: The Five Doctors

1983

5.6

Whoops Apocalypse

1986

4.8

Doctor Who: Dimensions in Time

1993

6.8

Tarka the Otter

1979

8.9

Doctor Who: Remembrance of the Daleks

1988

5.7

Downtime

1995

7.0

The Sarah Jane Adventures: Invasion of the Bane

2007

5.7

K-9 and Company: A Girl's Best Friend

1981

7.2

Doctor Who: The Androids of Tara

1978

Filmography

2025	The Doctor Who Escape Room: Team Third Doctor	K9 (voice)
2024	Darkness & Light: The Life of Graham Williams	Self
2017	The Doctors: The Tom Baker Years
2015	Longleat '83: The Lost Footage
2013	The Five(ish) Doctors Reboot	Self
2008	The K-9 Files
2008	Celebration: Doctor Who in 1983
2007	A Matter of Time
2007	Parrot Fashion
2007	Getting Blood from the Stones
2007	The Sarah Jane Adventures: Invasion of the Bane	K9
2004	A New Beginning
2003	Doctor Who: Shada	K9 (voice)
2001	Longleat '83: The Greatest Show in the Galaxy	Himself - Host
2000	K9 Unleashed
1998	Where on Earth Is Katy Manning?
1995	Downtime	Anthony the D.J.
1993	Doctor Who: Dimensions in Time	K9 (voice)
1990	Search Out Space	K9 (voice)
1988	Doctor Who: Remembrance of the Daleks	Dalek Battle Computer (voice)
1987	Myth Runner	Himself
1986	Whoops Apocalypse	TV Interviewer
1983	Doctor Who: The Five Doctors	K9 (voice)
1982	The Barretts of Wimpole Street	Henry Barrett
1981	K-9 and Company: A Girl's Best Friend	K-9 (voice)
1981	Doctor Who: Warriors' Gate	K9 (voice)
1980	Doctor Who: State of Decay	K9 (voice)
1980	Doctor Who: Full Circle	K9 (voice)
1980	Doctor Who: Meglos	K9 (voice)
1980	Doctor Who: The Leisure Hive	K9 (voice)
1979	Tarka the Otter	Secretary of the Hunt
1979	Doctor Who: The Armageddon Factor	K-9 (voice)
1979	Doctor Who: The Power of Kroll	Dugeen
1978	Merry Christmas Doctor Who	K9 (voice)
1978	Doctor Who: The Androids of Tara	K-9 (Voice)
1978	Doctor Who: The Stones of Blood	K-9 (voice)
1978	Doctor Who: The Pirate Planet	K-9 (voice)
1978	Doctor Who: The Ribos Operation	K-9 (voice)
1978	Doctor Who: The Invasion of Time	K9 (voice)
1978	Doctor Who: Underworld	K-9 Mk. I (voice)
1977	Doctor Who: The Sun Makers	K9 Mk. I (voice)
1977	Doctor Who: The Invisible Enemy	K-9 Mk. I (voice) / Nucleus (voice)
1975	Husband to Mrs. Fitzherbert	Clergyman

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