
John Leeson
Born March 16, 1943 · 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.
Notable Appearances
Movies

Parrot Fashion

Doctor Who: Full Circle

Doctor Who: Meglos

The Five(ish) Doctors Reboot

A New Beginning

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

Doctor Who: The Five Doctors

Doctor Who: Dimensions in Time

Doctor Who: The Power of Kroll

Doctor Who: The Leisure Hive

Whoops Apocalypse

The Sarah Jane Adventures: Invasion of the Bane

Doctor Who: State of Decay

Doctor Who: Warriors' Gate
More Movies

Doctor Who: The Invasion of Time

Doctor Who: Remembrance of the Daleks

Doctor Who: The Pirate Planet

Celebration: Doctor Who in 1983

Doctor Who: The Invisible Enemy

Doctor Who: The Androids of Tara

Darkness & Light: The Life of Graham Williams

The Doctor Who Escape Room: Team Third Doctor

Tarka the Otter

Doctor Who: The Armageddon Factor

Doctor Who: The Ribos Operation

Downtime

Doctor Who: The Sun Makers

Longleat '83: The Lost Footage

The K-9 Files

A Matter of Time

Longleat '83: The Greatest Show in the Galaxy

Merry Christmas Doctor Who

Doctor Who: The Stones of Blood

Where on Earth Is Katy Manning?

Doctor Who: Underworld

Doctor Who: Shada

The Doctors: The Tom Baker Years

The Barretts of Wimpole Street

Getting Blood from the Stones

Myth Runner

K9 Unleashed

















