John Leeson - Actor Profile

John Leeson

Acting
Freshness: Jan 22, 2026
47Total Films
10.0 Highest Rated
Born: Jan 1, 1943
Birth Place: Leicester, Leicestershire, England, UK

About John Leeson

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.

Career Statistics & Market Influence

Analyzing the cinematic journey of John Leeson reveals a career defined by diverse artistic exploration. With a total of 47 major appearances, the actor has established a significant footprint in global cinema.

Genre Dominance: Sci-Fi

The majority of John Leeson's filmography leans towards the Sci-Fi genre. Audience data suggests that viewers respond most favorably to this persona, though their versatility has allowed for successful crossovers into other categories.

The "Box Office" Signature

With a 45% Success Ratio (movies rated above 6.5), John Leeson remains a reliable draw for studios. Their peak performance was recorded in Myth Runner, which continues to be the benchmark for their career rating-wise.

Best John Leeson Movies Ranked

Must-watch hits from John Leeson's career based on audience ratings.

Complete Filmography & Success Status

Tracking the career evolution and box office verdicts of John Leeson.

YearMovieCharacterSuccessMore
2025 Doctor Who: Gallifrey - Flop Similar →
2025 The Doctor Who Escape Room: Team Third Doctor K9 (voice) Super Hit Similar →
2024 Darkness & Light: The Life of Graham Williams Self Flop Similar →
2017 The Doctors: The Tom Baker Years - Flop Similar →
2015 Longleat '83: The Lost Footage - Flop Similar →
2013 Doctor Who and the Shada Man K9 (voice) Flop Similar →
2013 The Five(ish) Doctors Reboot Self Super Hit Similar →
2013 Doctor Who: Gallifrey The Prince Hit Similar →
2009 The Sarah Jane Adventures: From Raxacoricofallapatorius with Love K9 (voice) Flop Similar →
2008 The K-9 Files - Flop Similar →
2008 Celebration: Doctor Who in 1983 - Flop Similar →
2007 A Matter of Time - Flop Similar →
2007 Parrot Fashion - Flop Similar →
2007 Getting Blood from the Stones - Flop Similar →
2007 The Sarah Jane Adventures: Invasion of the Bane K9 Hit Similar →
2004 A New Beginning - Flop Similar →
2003 Doctor Who: Shada K9 (voice) Hit Similar →
2001 Longleat '83: The Greatest Show in the Galaxy Himself - Host Flop Similar →
2000 K9 Unleashed - Super Hit Similar →
1998 Where on Earth Is Katy Manning? - Super Hit Similar →
1995 Downtime Anthony the D.J. Flop Similar →
1993 Doctor Who: Dimensions in Time K9 (voice) Flop Similar →
1990 Search Out Space K9 (voice) Super Hit Similar →
1988 Doctor Who: Remembrance of the Daleks Voices Super Hit Similar →
1987 Myth Runner Himself Super Hit Similar →
1986 Whoops Apocalypse TV Interviewer Average Similar →
1983 Doctor Who: The Five Doctors K9 (voice) Super Hit Similar →
1982 The Barretts of Wimpole Street Henry Barrett Flop Similar →
1981 K-9 and Company: A Girl's Best Friend K-9 (voice) Average Similar →
1981 Doctor Who: Warriors' Gate K9 (voice) Average Similar →
1980 Doctor Who: State of Decay K9 (voice) Super Hit Similar →
1980 Doctor Who: Full Circle K9 (voice) Average Similar →
1980 Doctor Who: Meglos K9 (voice) Average Similar →
1980 Doctor Who: The Leisure Hive K9 (voice) Hit Similar →
1979 Tarka the Otter Secretary of the Hunt Hit Similar →
1979 Doctor Who: The Armageddon Factor K-9 (voice) Average Similar →
1979 Doctor Who: The Power of Kroll Dugeen Flop Similar →
1978 Merry Christmas Doctor Who K9 (voice) Super Hit Similar →
1978 Doctor Who: The Androids of Tara K-9 (Voice) Hit Similar →
1978 Doctor Who: The Stones of Blood K-9 (voice) Super Hit Similar →
1978 Doctor Who: The Pirate Planet K-9 (voice) Hit Similar →
1978 Doctor Who: The Ribos Operation K-9 (voice) Hit Similar →
1978 Doctor Who: The Invasion of Time K9 (voice) Average Similar →
1978 Doctor Who: Underworld K-9 Mk. I (voice) Flop Similar →
1977 Doctor Who: The Sun Makers K9 Mk. I (voice) Hit Similar →
1977 Doctor Who: The Invisible Enemy K-9 Mk. I (voice) / Nucleus (voice) Hit Similar →
1975 Husband to Mrs. Fitzherbert Clergyman Flop Similar →

John Leeson - Frequently Asked Questions

What is the best movie of John Leeson?

According to audience ratings, the best movie starring John Leeson is "Myth Runner" with a rating of 10.0/10.

How many movies has John Leeson acted in?

John Leeson has been featured in at least 47 major films throughout their career.

What are some other popular movies by John Leeson?

Other notable films include "The Doctor Who Escape Room: Team Third Doctor", "Merry Christmas Doctor Who", and "Doctor Who: Remembrance of the Daleks".