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Personal Info

Birth date

1943-01-01 (82 Years)

Gender

Male

Known for

Acting

Place of birth

Leicester, Leicestershire, England, UK

Also known as

-

John Leeson

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.

Filmography

Acting

2025Doctor Who: Gallifrey as Unknown

2025The Doctor Who Escape Room: Team Third Doctor as K9 (voice)

2017The Doctors: The Tom Baker Years as Unknown

2015Longleat '83: The Lost Footage as Unknown

2013The Five(ish) Doctors Reboot as Self

2011Pointless Celebrities (1 Episode) as K-9 (voice)

2010Sarah Jane's Alien Files (6 Episodes) as K9

2009K-9 (26 Episodes) as K-9 (voice)

2008The K-9 Files as Unknown

2008Celebration: Doctor Who in 1983 as Unknown

2007A Matter of Time as Unknown

2007Parrot Fashion as Unknown

2007Getting Blood from the Stones as Unknown

2007The Sarah Jane Adventures (10 Episodes) as K9 (voice)

2007The Sarah Jane Adventures: Invasion of the Bane as K9

2005Doctor Who (2 Episodes) as K9 (voice)

2004A New Beginning as Unknown

2003Doctor Who @ 40 Weekend as Presenter - K9 (Voice)

2003Doctor Who: Shada as K9 (voice)

2001Longleat '83: The Greatest Show in the Galaxy as Himself - Host

2000K9 Unleashed as Unknown

1998Where on Earth Is Katy Manning? as Unknown

1995Bugs (1 Episode) as Harris

1995Downtime as Anthony the D.J.

1993Doctor Who: Dimensions in Time as K9 (voice)

1990Search Out Space as K9 (voice)

1988Doctor Who: Remembrance of the Daleks as Voices

1987Myth Runner as Himself

1986Whoops Apocalypse as TV Interviewer

1984Myth Makers 2: John Leeson as Unknown

1984'Allo 'Allo! (1 Episode) as Train's Cook

1983Doctor Who: The Five Doctors as K9 (voice)

1982The Barretts of Wimpole Street as Henry Barrett

1981K-9 and Company: A Girl's Best Friend as K-9 (voice)

1981K-9 and Company (1 Episode) as Unknown

1981Sorry! (42 Episodes) as Unknown

1981Doctor Who: Warriors' Gate as K9 (voice)

1980Doctor Who: State of Decay as K9 (voice)

1980Doctor Who: Full Circle as K9 (voice)

1980Doctor Who: Meglos as K9 (voice)

1980Doctor Who: The Leisure Hive as K9 (voice)

1979Tarka the Otter as Secretary of the Hunt

1979Minder (1 Episode) as Passport Officer

1979Doctor Who: The Armageddon Factor as K-9 (voice)

1979Doctor Who: The Power of Kroll as Dugeen

1978Doctor Who: The Androids of Tara as K-9 (Voice)

1978Doctor Who: The Stones of Blood as K-9 (voice)

1978Doctor Who: The Pirate Planet as K-9 (voice)

1978Doctor Who: The Ribos Operation as K-9 (voice)

1978Doctor Who: The Invasion of Time as K9 (voice)

1978Doctor Who: Underworld as K-9 Mk. I (voice)

1978Blake's 7 (1, 1 Episode) as Pasco, Toise

1977Doctor Who: The Sun Makers as K9 Mk. I (voice)

1977Doctor Who: The Invisible Enemy as K-9 Mk. I (voice) / Nucleus (voice)

1972Rainbow (105 Episodes) as Bungle

1970On the House (1 Episode) as Young Man

1963Doctor Who (80, 4 Episode) as K9 (voice), Dugeen