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