Cast & creator
John Leeson
Best known for Doctor Who, Doctor Who, Doctor Who
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.
43
film credits
24
television credits
67
1963–2025 · acting roles
7.2
average across scored titles
Signature credits
Known for
Across film & television
Filmography (67)
Showing 67 of 67 credits
Doctor Who
K9 (voice)
2005
Doctor Who
K9 (voice)
1963Doctor Who
Dugeen
1963Doctor Who
Daleks (voice)
1963
Minder
Passport Officer
1979
Rainbow
Bungle
1972
Pointless Celebrities
K-9 (voice)
2011
'Allo 'Allo!
Train's Cook
1984
The Sarah Jane Adventures
K9 (voice)
2007
Blake's 7
Toise
1978Blake's 7
Pasco
1978
Dad's Army
Soldier
1968
Bugs
Harris
1995
Doctor Who: Behind the Sofa
Self
2018
Vanity Fair
Priest
1998
Longitude
BBC Producer
2000
Myth Makers
Himself
2015
Shadow of the Noose
Dickinson
1989
Jigsaw
Jig
1979
K-9
K-9 (voice)
2009On the House
Young Man
1970
Sorry!
1981
The Five(ish) Doctors Reboot
Self
2013
K-9 and Company
K-9 (voice)
1981
Parrot Fashion
2007The Spanish Farm
Lt Mansfield
1968
Doctor Who: Dimensions in Time
K9 (voice)
1993
Whoops Apocalypse
TV Interviewer
1986
Doctor Who: The Five Doctors
K9 (voice)
1983
Doctor Who: Full Circle
K9 (voice)
1980
Doctor Who: The Leisure Hive
K9 (voice)
1980
Doctor Who: The Armageddon Factor
K-9 (voice)
1979
Doctor Who: The Ribos Operation
K-9 (voice)
1978
Doctor Who: State of Decay
K9 (voice)
1980
Doctor Who: The Pirate Planet
K-9 (voice)
1978
The Doctors: The Tom Baker Years
2017K-9 and Company: A Girl's Best Friend
K-9 (voice)
1981
Doctor Who: Remembrance of the Daleks
Dalek Battle Computer (voice)
1988
Doctor Who: Meglos
K9 (voice)
1980Husband to Mrs. Fitzherbert
Clergyman
1975
A Matter of Time
2007
The Barretts of Wimpole Street
Henry Barrett
1982
Doctor Who: The Sun Makers
K9 Mk. I (voice)
1977
Where on Earth Is Katy Manning?
1998
Celebration: Doctor Who in 1983
2008
Doctor Who: The Invisible Enemy
K-9 Mk. I (voice) / Nucleus (voice)
1977
Doctor Who: Warriors' Gate
K9 (voice)
1981
The Doctor Who Escape Room: Team Third Doctor
K9 (voice)
2025
Doctor Who: The Androids of Tara
K-9 (Voice)
1978
Darkness & Light: The Life of Graham Williams
Self
2024
The Sarah Jane Adventures: Invasion of the Bane
K9
2007
Doctor Who: The Stones of Blood
K-9 (voice)
1978
Tarka the Otter
Secretary of the Hunt
1979
Doctor Who: The Power of Kroll
Dugeen
1979
Doctor Who: The Invasion of Time
K9 (voice)
1978
Doctor Who: Shada
K9 (voice)
2003
Longleat '83: The Lost Footage
2015
Getting Blood from the Stones
2007
Longleat '83: The Greatest Show in the Galaxy
Himself - Host
2001
Merry Christmas Doctor Who
K9 (voice)
1978
Doctor Who: Underworld
K-9 Mk. I (voice)
1978
Downtime
Anthony the D.J.
1995
A New Beginning
2004
The K-9 Files
2008
Myth Runner
Himself
1987
K9 Unleashed
2000
Search Out Space
K9 (voice)
1990