Acting · Leicester, Leicestershire, England, UK · Born January 1, 1943
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.
MovieThe Doctor Who Escape Room: Team Third Doctor
2025
as K9 (voice)
MovieDarkness & Light: The Life of Graham Williams
2024
as Self
TVDoctor Who: Behind the Sofa
2018
as Self
MovieThe Doctors: The Tom Baker Years
2017
MovieLongleat '83: The Lost Footage
2015
TVMyth Makers
2015
as Himself
MovieThe Five(ish) Doctors Reboot
2013
as Self
TVPointless Celebrities
2011
as K-9 (voice)
TVK-9
2009
as K-9 (voice)
MovieThe K-9 Files
2008
MovieCelebration: Doctor Who in 1983
2008
MovieA Matter of Time
2007
MovieParrot Fashion
2007
MovieGetting Blood from the Stones
2007
TVThe Sarah Jane Adventures
2007
as K9 (voice)
MovieThe Sarah Jane Adventures: Invasion of the Bane
2007
as K9
TVDoctor Who
2005
as K9 (voice)
MovieA New Beginning
2004
MovieDoctor Who: Shada
2003
as K9 (voice)
MovieLongleat '83: The Greatest Show in the Galaxy
2001
as Himself - Host
MovieK9 Unleashed
2000
TVLongitude
2000
as BBC Producer
TVVanity Fair
1998
as Priest
MovieWhere on Earth Is Katy Manning?
1998
TVBugs
1995
as Harris
MovieDowntime
1995
as Anthony the D.J.
MovieDoctor Who: Dimensions in Time
1993
as K9 (voice)
MovieSearch Out Space
1990
as K9 (voice)
TVShadow of the Noose
1989
as Dickinson
MovieDoctor Who: Remembrance of the Daleks
1988
as Dalek Battle Computer (voice)
MovieMyth Runner
1987
as Himself
MovieWhoops Apocalypse
1986
as TV Interviewer
TV'Allo 'Allo!
1984
as Train's Cook
MovieDoctor Who: The Five Doctors
1983
as K9 (voice)
MovieThe Barretts of Wimpole Street
1982
as Henry Barrett
MovieK-9 and Company: A Girl's Best Friend
1981
as K-9 (voice)
TVK-9 and Company
1981
as K-9 (voice)
TVSorry!
1981
MovieDoctor Who: Warriors' Gate
1981
as K9 (voice)
MovieDoctor Who: State of Decay
1980
as K9 (voice)
MovieDoctor Who: Full Circle
1980
as K9 (voice)
MovieDoctor Who: Meglos
1980
as K9 (voice)
MovieDoctor Who: The Leisure Hive
1980
as K9 (voice)
MovieTarka the Otter
1979
as Secretary of the Hunt
TVMinder
1979
as Passport Officer
TVJigsaw
1979
as Jig
MovieDoctor Who: The Armageddon Factor
1979
as K-9 (voice)
MovieDoctor Who: The Power of Kroll
1979
as Dugeen
MovieMerry Christmas Doctor Who
1978
as K9 (voice)
MovieDoctor Who: The Androids of Tara
1978
as K-9 (Voice)
MovieDoctor Who: The Stones of Blood
1978
as K-9 (voice)
MovieDoctor Who: The Pirate Planet
1978
as K-9 (voice)
MovieDoctor Who: The Ribos Operation
1978
as K-9 (voice)
MovieDoctor Who: The Invasion of Time
1978
as K9 (voice)
MovieDoctor Who: Underworld
1978
as K-9 Mk. I (voice)
TVBlake's 7
1978
as Toise
MovieDoctor Who: The Sun Makers
1977
as K9 Mk. I (voice)
MovieDoctor Who: The Invisible Enemy
1977
as K-9 Mk. I (voice) / Nucleus (voice)
Husband to Mrs. Fitzherbert
1975
as Clergyman
TVRainbow
1972
as Bungle
On the House
1970
as Young Man
TVDad's Army
1968
as Soldier
TVDoctor Who
1963
as K9 (voice)
