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John Leeson

John Leeson

Acting March 16, 1943 (83 years old) November 1, 2026 Leicester, Leicestershire, England, UK

Biography

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.

Movies 43

Doctor Who: The Five Doctors 7.8

Doctor Who: The Five Doctors

as K9 (voice)

1983
The Five(ish) Doctors Reboot 7.8

The Five(ish) Doctors Reboot

as Self

2013
Doctor Who: Remembrance of the Daleks 8.9

Doctor Who: Remembrance of the Daleks

as Dalek Battle Computer (voice)

1988
Doctor Who: Full Circle 6.6

Doctor Who: Full Circle

as K9 (voice)

1980
K-9 and Company: A Girl's Best Friend 5.7

K-9 and Company: A Girl's Best Friend

as K-9 (voice)

1981
Doctor Who: Dimensions in Time 4.8

Doctor Who: Dimensions in Time

as K9 (voice)

1993
Doctor Who: State of Decay 7.3

Doctor Who: State of Decay

as K9 (voice)

1980
Getting Blood from the Stones

Getting Blood from the Stones

2007
Whoops Apocalypse 5.6

Whoops Apocalypse

as TV Interviewer

1986
Tarka the Otter 6.8

Tarka the Otter

as Secretary of the Hunt

1979
The Barretts of Wimpole Street 9.0

The Barretts of Wimpole Street

as Henry Barrett

1982
Doctor Who: The Power of Kroll 4.7

Doctor Who: The Power of Kroll

as Dugeen

1979
Doctor Who: The Pirate Planet 7.0

Doctor Who: The Pirate Planet

as K-9 (voice)

1978
The Sarah Jane Adventures: Invasion of the Bane 7.0

The Sarah Jane Adventures: Invasion of the Bane

as K9

2007
Doctor Who: Warriors' Gate 5.1

Doctor Who: Warriors' Gate

as K9 (voice)

1981
Celebration: Doctor Who in 1983

Celebration: Doctor Who in 1983

2008
Doctor Who: The Ribos Operation 6.8

Doctor Who: The Ribos Operation

as K-9 (voice)

1978
Parrot Fashion

Parrot Fashion

2007
Doctor Who: The Invasion of Time 6.2

Doctor Who: The Invasion of Time

as K9 (voice)

1978
Doctor Who: The Sun Makers 7.0

Doctor Who: The Sun Makers

as K9 Mk. I (voice)

1977
The Doctor Who Escape Room: Team Third Doctor 10.0

The Doctor Who Escape Room: Team Third Doctor

as K9 (voice)

2025
Doctor Who: The Armageddon Factor 5.5

Doctor Who: The Armageddon Factor

as K-9 (voice)

1979
Doctor Who: The Leisure Hive 7.0

Doctor Who: The Leisure Hive

as K9 (voice)

1980
The Doctors: The Tom Baker Years

The Doctors: The Tom Baker Years

2017
Where on Earth Is Katy Manning? 8.5

Where on Earth Is Katy Manning?

1998
Longleat '83: The Lost Footage

Longleat '83: The Lost Footage

2015
Doctor Who: The Invisible Enemy 7.2

Doctor Who: The Invisible Enemy

as K-9 Mk. I (voice) / Nucleus (voice)

1977
Downtime 5.7

Downtime

as Anthony the D.J.

1995
Doctor Who: The Stones of Blood 7.8

Doctor Who: The Stones of Blood

as K-9 (voice)

1978
Doctor Who: Underworld 5.2

Doctor Who: Underworld

as K-9 Mk. I (voice)

1978
Doctor Who: The Androids of Tara 7.2

Doctor Who: The Androids of Tara

as K-9 (Voice)

1978
Merry Christmas Doctor Who 10.0

Merry Christmas Doctor Who

as K9 (voice)

1978
Doctor Who: Shada 7.3

Doctor Who: Shada

as K9 (voice)

2003
Longleat '83: The Greatest Show in the Galaxy 7.0

Longleat '83: The Greatest Show in the Galaxy

as Himself - Host

2001
A Matter of Time

A Matter of Time

2007
Husband to Mrs. Fitzherbert

Husband to Mrs. Fitzherbert

as Clergyman

1975
Doctor Who: Meglos 5.0

Doctor Who: Meglos

as K9 (voice)

1980
The K-9 Files

The K-9 Files

2008
K9 Unleashed 8.0

K9 Unleashed

2000
Myth Runner 10.0

Myth Runner

as Himself

1987
Darkness & Light: The Life of Graham Williams

Darkness & Light: The Life of Graham Williams

as Self

2024
A New Beginning

A New Beginning

2004
Search Out Space 8.0

Search Out Space

as K9 (voice)

1990

TV Shows 23

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