John Leeson
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.
67 acting credits
Acting · 67
Doctor Who
2005
Doctor Who
1963
Minder
1979
Rainbow
1972
'Allo 'Allo!
1984
Pointless Celebrities
2011
Blake's 7
1978
The Sarah Jane Adventures
2007
Dad's Army
1968
Bugs
1995
Longitude
2000
Doctor Who: Behind the Sofa
2018
Vanity Fair
1998
K-9
2009
Shadow of the Noose
1989
Sorry!
1981
On the House
1970
Whoops Apocalypse
1986
Myth Makers
2015
The Five(ish) Doctors Reboot
2013
Doctor Who: Remembrance of the Daleks
1988
Doctor Who: The Five Doctors
1983
Doctor Who: Dimensions in Time
1993
Longleat '83: The Greatest Show in the Galaxy
2001
K-9 and Company
1981
Doctor Who: Shada
2003
K-9 and Company: A Girl's Best Friend
1981
Doctor Who: The Armageddon Factor
1979
The Sarah Jane Adventures: Invasion of the Bane
2007
Downtime
1995
Tarka the Otter
1979
Doctor Who: The Leisure Hive
1980
Doctor Who: Full Circle
1980
Celebration: Doctor Who in 1983
2008
Doctor Who: The Androids of Tara
1978
Doctor Who: Underworld
1978
Doctor Who: The Invasion of Time
1978
The Barretts of Wimpole Street
1982
Myth Runner
1987
Doctor Who: The Sun Makers
1977
Doctor Who: The Power of Kroll
1979
Doctor Who: The Ribos Operation
1978
Doctor Who: Meglos
1980
Longleat '83: The Lost Footage
2015
Doctor Who: The Invisible Enemy
1977
Doctor Who: The Stones of Blood
1978
Doctor Who: State of Decay
1980
Doctor Who: The Pirate Planet
1978
A Matter of Time
2007
Doctor Who: Warriors' Gate
1981
Doctor Who: Gallifrey
2025
K9 Unleashed
2000
Husband to Mrs. Fitzherbert
1975
Where on Earth Is Katy Manning?
1998
The Doctors: The Tom Baker Years
2017
The K-9 Files
2008
Jigsaw
1979
Darkness & Light: The Life of Graham Williams
2024
Getting Blood from the Stones
2007
Doctor Who: The Time War
—
Parrot Fashion
2007
Search Out Space
1990
Doctor Who and the Shada Man
2013
The Doctor Who Escape Room: Team Third Doctor
2025
Merry Christmas Doctor Who
1978
A New Beginning
2004
Doctor Who: Gallifrey
2013