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.
Highest rated appearances
Longleat '83: The Lost Footage
The K-9 Files
Celebration: Doctor Who in 1983
A Matter of Time
Parrot Fashion
Getting Blood from the Stones
The Sarah Jane Adventures: Invasion of the Bane
as K9
A New Beginning
Doctor Who: Shada
as K9 (voice)
Longleat '83: The Greatest Show in the Galaxy
as Himself - Host
K9 Unleashed
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
K-9 and Company: A Girl's Best Friend
as K-9 (voice)
Doctor Who: Warriors' Gate
as K9 (voice)
Doctor Who: State of Decay
as K9 (voice)
Doctor Who: Full Circle
as K9 (voice)
Doctor Who: Meglos
as K9 (voice)
Doctor Who: The Leisure Hive
as K9 (voice)
Tarka the Otter
as Secretary of the Hunt
Doctor Who: The Armageddon Factor
as K-9 (voice)
Doctor Who: The Power of Kroll
as Dugeen
Merry Christmas Doctor Who
as K9 (voice)
Doctor Who: The Androids of Tara
as K-9 (Voice)
Doctor Who: The Stones of Blood
as K-9 (voice)
Doctor Who: The Pirate Planet
as K-9 (voice)
Doctor Who: The Ribos Operation
as K-9 (voice)
Doctor Who: The Invasion of Time
as K9 (voice)
Doctor Who: Underworld
as K-9 Mk. I (voice)
Doctor Who: The Sun Makers
as K9 Mk. I (voice)
Doctor Who: The Invisible Enemy
as K-9 Mk. I (voice) / Nucleus (voice)
Husband to Mrs. Fitzherbert
as Clergyman
