William Thomas
47 credits
- Under Salt Marsh
2026 Owen Ellis
- Mammoth
2024 Barry
- Lost Boys and Fairies
2024 Emrys
- The One That Got Away
2024 Griff Lloyd
- Tree on a Hill
2023 John Frederick Watkins
- La Cha Cha
2021 Pat
- The Pembrokeshire Murders
2021 DCI George Jones
- Concrete Plans
2020 Dave
- Gangs of London
2020 Frank
- Bittersweet Symphony
2019 Dr. Kirkby
- Wild Honey Pie!
2018 David Walker
- Requiem
2018 Stan
- Which Way Is Ireland?
2015 Taid
- Just Jim
2015 Sammy
- Y Syrcas
2013
- Mr. Nice
2010 Dennis Marks
- Freebird
2008 Welsh Farmer
- The Baker
2007 Alun Thomas
- Gavin & Stacey
2007 Father Chris
- January 2nd
2006 Tom
- Torchwood
2006 Geraint Cooper
- Doctor Who
2005 Mr Cleaver
- Otherworld
2003 Hefeydd (voice)
- The Miracle Maker
2000 Magi (voice)
- Longitude
2000 Arthur Mason
- House!
2000 Clipboard
- Longitude
2000 Arthur Mason
- Solomon & Gaenor
1999 Idris Rees
- Catfish in Black Bean Sauce
1999 Douglas
- Twin Town
1997 Bryn Cartwright
- Midsomer Murders
1997 Bryn Williams
- Darklands
1996 Detective Jarvis
- Dafydd
1995 David Davies
- Sticky Wickets
1990 Cyril
- Reasonable Force
1988 The Sportsman
- Doctor Who: Remembrance of the Daleks
1988 Martin
- The Extremist
1984 Detective Inspector Jones
- The Magnificent Evans
1984 Probert
- The Life and Times of David Lloyd George
1981 William George
- Only Fools and Horses
1981 Barman
- Changing Gear
1979 John Lloyd / Keith Lloyd
- Dylan: The Life and Death of a Poet
1978 Idris
- Casey's Shadow
1978 Jockey
- Antony and Cleopatra
1975 Soldier
- Madame Bovary
1975 Albert
- Doctor Who
1963 Martin
- Buddha Boy
Grandad
