John Leeson
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.
Known for
2025The Doctor Who Escape Room: Team Third Doctor
K9 (voice)
2024Darkness & Light: The Life of Graham Williams
Self
2017The Doctors: The Tom Baker Years
2015Longleat '83: The Lost Footage
2013The Five(ish) Doctors Reboot
Self
2013Doctor Who and the Shada Man
K9 (voice)
2013Doctor Who: Gallifrey
The Prince
2008Celebration: Doctor Who in 1983
2008The K-9 Files
2007The Sarah Jane Adventures: Invasion of the Bane
K9
2007A Matter of Time
2007Parrot Fashion
2007Getting Blood from the Stones
2004A New Beginning
2003Doctor Who: Shada
K9 (voice)
2001Longleat '83: The Greatest Show in the Galaxy
Himself - Host
2000K9 Unleashed
1998Where on Earth Is Katy Manning?
1995Downtime
Anthony the D.J.
1993Doctor Who: Dimensions in Time
K9 (voice)
1990Search Out Space
K9 (voice)
1988Doctor Who: Remembrance of the Daleks
Dalek Battle Computer (voice)
1987Myth Runner
Himself
1986Whoops Apocalypse
TV Interviewer