William Thomas
Actor
William Thomas reached veteran standing the slow way, as an actor who has been at it long enough for audiences to grow up watching him. 'Mr. Nice' is another title that gets mentioned. Everything here starts from 1975. By genre, drama dominates the list. Roughly 36 titles carry his name. Geraint Cooper in 'Torchwood' is the role that outgrew the rest.
William Thomas
Actor
William Thomas reached veteran standing the slow way, as an actor who has been at it long enough for audiences to grow up watching him. 'Mr. Nice' is another title that gets mentioned. Everything here starts from 1975. By genre, drama dominates the list. Roughly 36 titles carry his name. Geraint Cooper in 'Torchwood' is the role that outgrew the rest.
20 Movies
Plays Clipboard
House!
2000
Plays Magi (voice)
The Miracle Maker
2000
Plays Dennis Marks
Mr. Nice
2010
Plays Jockey
Casey's Shadow
1978
Plays Alun Thomas
The Baker
2007
Plays Sammy
Just Jim
2015
Plays Dave
Concrete Plans
2020
Plays Idris Rees
Solomon & Gaenor
1999
Plays Bryn Cartwright
Twin Town
1997
Plays Dr. Kirkby
Bittersweet Symphony
2019
Plays Pat
La Cha Cha
2021
Plays Douglas
Catfish in Black Bean Sauce
1999
Plays David Walker
Wild Honey Pie!
2018
Plays Detective Jarvis
Darklands
1996
Plays Martin
Doctor Who: Remembrance of the Daleks
1988
Plays Soldier
Antony and Cleopatra
1975
Plays Welsh Farmer
Freebird
2008
Plays Hefeydd (voice)
Otherworld
2003
Plays David Davies
Dafydd
1995
16 TV Shows
Plays John Frederick Watkins
Tree on a Hill
2023
Plays Probert
The Magnificent Evans
1984
Plays Griff Lloyd
The One That Got Away
2024
Plays Geraint Cooper
Torchwood
2006
Plays Owen Ellis
Under Salt Marsh
2026
Plays Barry
Mammoth
2024
Plays Emrys
Lost Boys and Fairies
2024
Plays Father Chris
Gavin & Stacey
2007
Plays DCI George Jones
The Pembrokeshire Murders
2021
Plays Albert
Madame Bovary
1975
Plays Stan
Requiem
2018
Plays Mr Cleaver
Doctor Who
2005
Plays Bryn Williams
Midsomer Murders
1997
Plays Frank
Gangs of London
2020
Plays Arthur Mason
Longitude
2000
Plays Martin
Doctor Who
1963
Latest Trailers
Watch Trailer
Concrete Plans
Full Filmography
Under Salt Marsh
Owen Ellis · 4 episodes
2026–
The One That Got Away
Griff Lloyd
2024Season 1
Lost Boys and Fairies
Emrys · 3 episodes
2024–
Mammoth
Barry · 3 episodes
2024–
Tree on a Hill
John Frederick Watkins · 6 episodes
2023–
La Cha Cha
Pat
2021
The Pembrokeshire Murders
DCI George Jones
2021Season 1
Concrete Plans
Dave
2020
Gangs of London
Frank
2020Season 1
Frequently Asked Questions
What are the most famous roles of William Thomas?
William Thomas is best known for roles in Mr. Nice, The Baker, Twin Town.
How many movies has William Thomas been in?
Over a 51-year career (since 1975), William Thomas has appeared in 20 movies and 16 TV shows.
What was William Thomas's first movie?
The career of William Thomas began with Antony and Cleopatra (1975).
What is William Thomas's most recent movie or series?
William Thomas's most recent release is Under Salt Marsh, which premiered on January 30, 2026.
What TV shows has William Thomas appeared in?
On television, William Thomas has appeared in Doctor Who, Doctor Who, Gangs of London, Torchwood.
William Thomas
William Thomas is a Welsh actor based in Cardiff.