John Leeson
Born
January 1, 1943 (82 years old)
Known For
Acting
Place of Birth
Leicester, Leicestershire, England, UK
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.
Doctor Who: Gallifrey
2025
The Doctor Who Escape Room: Team Third Doctor
K9 (voice)
2025
The Doctors: The Tom Baker Years
2017
Longleat '83: The Lost Footage
2015
The Five(ish) Doctors Reboot
Self
2013
Pointless Celebrities
K-9 (voice) · (1 episode)
2011
Sarah Jane's Alien Files
K9 · (6 episodes)
2010
K-9
K-9 (voice) · (26 episodes)
2009
The K-9 Files
2008
Celebration: Doctor Who in 1983
2008
A Matter of Time
2007
Parrot Fashion
2007
Getting Blood from the Stones
2007
The Sarah Jane Adventures
K9 (voice) · (10 episodes)
2007
The Sarah Jane Adventures: Invasion of the Bane
K9
2007
Doctor Who
K9 (voice) · (2 episodes)
2005
A New Beginning
2004
Doctor Who: Shada
K9 (voice)
2003
Longleat '83: The Greatest Show in the Galaxy
Himself - Host
2001
K9 Unleashed
2000
Where on Earth Is Katy Manning?
1998
Bugs
Harris · (1 episode)
1995
Downtime
Anthony the D.J.
1995
Doctor Who: Dimensions in Time
K9 (voice)
1993
Search Out Space
K9 (voice)
1990
Doctor Who: Remembrance of the Daleks
Voices
1988
Myth Runner
Himself
1987
Whoops Apocalypse
TV Interviewer
1986
Myth Makers 2: John Leeson
1984
'Allo 'Allo!
Train's Cook · (1 episode)
1984
Doctor Who: The Five Doctors
K9 (voice)
1983
The Barretts of Wimpole Street
Henry Barrett
1982
K-9 and Company: A Girl's Best Friend
K-9 (voice)
1981
K-9 and Company
(1 episode)
1981
Sorry!
(42 episodes)
1981
Doctor Who: Warriors' Gate
K9 (voice)
1981
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)
1980
Tarka the Otter
Secretary of the Hunt
1979
Minder
Passport Officer · (1 episode)
1979
Doctor Who: The Armageddon Factor
K-9 (voice)
1979
Doctor Who: The Power of Kroll
Dugeen
1979
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)
1978
Blake's 7
Pasco · (1 episode)
1978
Blake's 7
Toise · (1 episode)
1978
Doctor Who: The Sun Makers
K9 Mk. I (voice)
1977
Doctor Who: The Invisible Enemy
K-9 Mk. I (voice) / Nucleus (voice)
1977
Rainbow
Bungle · (105 episodes)
1972
On the House
Young Man · (1 episode)
1970
Doctor Who
K9 (voice) · (80 episodes)
1963
Doctor Who
Dugeen · (4 episodes)
1963