John Leeson
Acting
67
Acting Credits
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.
Known For
Filmography
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
Longleat '83: The Lost Footage
2015
Myth Makers
2015
as Himself
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: Invasion of the Bane
2007
as K9
A Matter of Time
2007
Parrot Fashion
2007
Getting Blood from the Stones
2007
The Sarah Jane Adventures
2007
as K9 (voice)
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
K9 Unleashed
2000
Longitude
2000
as BBC Producer
Where on Earth Is Katy Manning?
1998
Vanity Fair
1998
as Priest
Downtime
1995
as Anthony the D.J.
Bugs
1995
as Harris
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
Doctor Who: Warriors' Gate
1981
as K9 (voice)
K-9 and Company: A Girl's Best Friend
1981
as K-9 (voice)
K-9 and Company
1981
as K-9 (voice)
Sorry!
1981
Doctor Who: Meglos
1980
as K9 (voice)
Doctor Who: The Leisure Hive
1980
as K9 (voice)
Doctor Who: Full Circle
1980
as K9 (voice)
Doctor Who: State of Decay
1980
as K9 (voice)
Tarka the Otter
1979
as Secretary of the Hunt
Doctor Who: The Power of Kroll
1979
as Dugeen
Doctor Who: The Armageddon Factor
1979
as K-9 (voice)
Minder
1979
as Passport Officer
Jigsaw
1979
as Jig
Doctor Who: The Ribos Operation
1978
as K-9 (voice)
Doctor Who: Underworld
1978
as K-9 Mk. I (voice)
Doctor Who: The Invasion of Time
1978
as K9 (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 Pirate Planet
1978
as K-9 (voice)
Merry Christmas Doctor Who
1978
as K9 (voice)
Blake's 7
1978
as Toise
Blake's 7
1978
as Pasco
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)