Acting
John Leeson
EN cinema · 43 credits
Born
16 March 1943
Died
1 November 2026 (aged 83)
Birthplace
Leicester, Leicestershire, England, UK
John Leeson (16 March 1943 — 1 November 2026) was a British actor, known for voicing K-9 on the television series Doctor Who from 1977–79, then from 1980–81, and returned for two single episodes in the revival 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
Filmography
Doctor Who: Shada
as K9 (voice)
Longleat '83: The Greatest Show in the Galaxy
as Himself - Host
Downtime
as Anthony the D.J.
Doctor Who: Dimensions in Time
as K9 (voice)
Search Out Space
as K9 (voice)
Doctor Who: Remembrance of the Daleks
as Dalek Battle Computer (voice)
Myth Runner
as Himself
Whoops Apocalypse
as TV Interviewer
Doctor Who: The Five Doctors
as K9 (voice)
The Barretts of Wimpole Street
as Henry Barrett
Doctor Who: Warriors' Gate
as K9 (voice)
K-9 and Company: A Girl's Best Friend
as K-9 (voice)
Doctor Who: Meglos
as K9 (voice)
Doctor Who: The Leisure Hive
as K9 (voice)
Doctor Who: Full Circle
as K9 (voice)
Doctor Who: State of Decay
as K9 (voice)
Tarka the Otter
as Secretary of the Hunt
Doctor Who: The Armageddon Factor
as K-9 (voice)
Doctor Who: The Ribos Operation
as K-9 (voice)
Doctor Who: Underworld
as K-9 Mk. I (voice)
Doctor Who: The Invasion of Time
as K9 (voice)
Doctor Who: The Stones of Blood
as K-9 (voice)
Doctor Who: The Androids of Tara
as K-9 (Voice)
Doctor Who: The Pirate Planet
as K-9 (voice)
Merry Christmas Doctor Who
as K9 (voice)
Doctor Who: The Sun Makers
as K9 Mk. I (voice)
Doctor Who: The Invisible Enemy
as K-9 Mk. I (voice) / Nucleus (voice)