Actor
John Leeson
January 1, 1943 · Leicester, Leicestershire, England, UK
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.
Notable work
Often works with
Elisabeth Sladen
7 titles together
Doctor Who, The Sarah Jane Adventures, Doctor Who: The Five Doctors
Nicholas Courtney
4 titles together
Doctor Who, Doctor Who: The Five Doctors, Doctor Who: Dimensions in Time
Tom Baker
3 titles together
Doctor Who, Doctor Who: The Five Doctors, Doctor Who: Dimensions in Time
Jon Pertwee
3 titles together
Doctor Who, Doctor Who: The Five Doctors, Doctor Who: Dimensions in Time
Peter Davison
3 titles together
Doctor Who, Doctor Who: The Five Doctors, Doctor Who: Dimensions in Time
Lalla Ward
3 titles together
Doctor Who, Doctor Who: The Five Doctors, Doctor Who: Dimensions in Time
Full filmography · 55
The Doctor Who Escape Room: Team Third Doctor
as K9 (voice)
2025
The Doctors: The Tom Baker Years
cast
2017
Longleat '83: The Lost Footage
cast
2015
The K-9 Files
cast
2008
Celebration: Doctor Who in 1983
cast
2008
A Matter of Time
cast
2007
Parrot Fashion
cast
2007
Getting Blood from the Stones
cast
2007
The Sarah Jane Adventures: Invasion of the Bane
as K9
2007
A New Beginning
cast
2004
Doctor Who: Shada
as K9 (voice)
2003
K9 Unleashed
cast
2000