John Leeson

John Leeson

🎂 1st January 1943 (83 yrs) 📍 Leicester, Leicestershire, England, UK

Known For

The Five(ish) Doctors Reboot

Biography

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.

John Leeson

Movies Featuring John Leeson

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Doctor Who: Gallifrey (2025)

The Doctor Who Escape Room: Team Third Doctor

The Doctor Who Escape Room: Team Third Doctor (2025)

as K9 (voice)
Darkness & Light: The Life of Graham Williams

Darkness & Light: The Life of Graham Williams (2024)

as Self
The Doctors: The Tom Baker Years

The Doctors: The Tom Baker Years (2017)

Longleat '83: The Lost Footage

Longleat '83: The Lost Footage (2015)

Doctor Who and the Shada Man

Doctor Who and the Shada Man (2013)

as K9 (voice)
The Five(ish) Doctors Reboot

The Five(ish) Doctors Reboot (2013)

as Self
Doctor Who: Gallifrey

Doctor Who: Gallifrey (2013)

as The Prince
The K-9 Files

The K-9 Files (2008)

Celebration: Doctor Who in 1983

Celebration: Doctor Who in 1983 (2008)

A Matter of Time

A Matter of Time (2007)

Parrot Fashion

Parrot Fashion (2007)

Getting Blood from the Stones

Getting Blood from the Stones (2007)

The Sarah Jane Adventures: Invasion of the Bane

The Sarah Jane Adventures: Invasion of the Bane (2007)

as K9
A New Beginning

A New Beginning (2004)

Doctor Who: Shada

Doctor Who: Shada (2003)

as K9 (voice)
Longleat '83: The Greatest Show in the Galaxy

Longleat '83: The Greatest Show in the Galaxy (2001)

as Himself - Host
K9 Unleashed

K9 Unleashed (2000)

Where on Earth Is Katy Manning?

Where on Earth Is Katy Manning? (1998)

Downtime

Downtime (1995)

as Anthony the D.J.
Doctor Who: Dimensions in Time

Doctor Who: Dimensions in Time (1993)

as K9 (voice)
Search Out Space

Search Out Space (1990)

as K9 (voice)
Doctor Who: Remembrance of the Daleks

Doctor Who: Remembrance of the Daleks (1988)

as Dalek Battle Computer (voice)
Myth Runner

Myth Runner (1987)

as Himself
Whoops Apocalypse

Whoops Apocalypse (1986)

as TV Interviewer
Doctor Who: The Five Doctors

Doctor Who: The Five Doctors (1983)

as K9 (voice)
The Barretts of Wimpole Street

The Barretts of Wimpole Street (1982)

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

K-9 and Company: A Girl's Best Friend (1981)

as K-9 (voice)
Doctor Who: Warriors' Gate

Doctor Who: Warriors' Gate (1981)

as K9 (voice)
Doctor Who: State of Decay

Doctor Who: State of Decay (1980)

as K9 (voice)
Doctor Who: Full Circle

Doctor Who: Full Circle (1980)

as K9 (voice)
Doctor Who: Meglos

Doctor Who: Meglos (1980)

as K9 (voice)
Doctor Who: The Leisure Hive

Doctor Who: The Leisure Hive (1980)

as K9 (voice)
Tarka the Otter

Tarka the Otter (1979)

as Secretary of the Hunt
Doctor Who: The Armageddon Factor

Doctor Who: The Armageddon Factor (1979)

as K-9 (voice)
Doctor Who: The Power of Kroll

Doctor Who: The Power of Kroll (1979)

as Dugeen
Merry Christmas Doctor Who

Merry Christmas Doctor Who (1978)

as K9 (voice)
Doctor Who: The Androids of Tara

Doctor Who: The Androids of Tara (1978)

as K-9 (Voice)
Doctor Who: The Stones of Blood

Doctor Who: The Stones of Blood (1978)

as K-9 (voice)
Doctor Who: The Pirate Planet

Doctor Who: The Pirate Planet (1978)

as K-9 (voice)
Doctor Who: The Ribos Operation

Doctor Who: The Ribos Operation (1978)

as K-9 (voice)
Doctor Who: The Invasion of Time

Doctor Who: The Invasion of Time (1978)

as K9 (voice)
Doctor Who: Underworld

Doctor Who: Underworld (1978)

as K-9 Mk. I (voice)
Doctor Who: The Sun Makers

Doctor Who: The Sun Makers (1977)

as K9 Mk. I (voice)
Doctor Who: The Invisible Enemy

Doctor Who: The Invisible Enemy (1977)

as K-9 Mk. I (voice) / Nucleus (voice)
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Husband to Mrs. Fitzherbert (1975)

as Clergyman
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Doctor Who: The Time War (N/A)

as K-9