Name	Known for
Ruth Lloyd Donna Green Donna Green See fewer	Torchwood: Monthly Range (2015)
Roger Evans Hugh Evans Hugh Evans See fewer	House of the Dragon (2022)
Lesley Vickerage Katharine Tyrell Katharine Tyrell See fewer	Moonfleet (2013)
Huw Davies Tony Palmer Tony Palmer See fewer	The Inheritors (1974)
Brian Hibbard Ralph Jenkins Ralph Jenkins See fewer	Revolver (2005)
Mark Lewis Jones Des Davies Des Davies See fewer	Gangs of London (2020)
Eluned Jones Val Sullivan Val Sullivan See fewer	The Dark (2005)
Philip McGough Peter Mansell Peter Mansell See fewer	Les Misérables (1998)
Kerry Joy Stewart Sandra Dewick Sandra Dewick See fewer	King Arthur: Excalibur Rising (2017)
Pamela Merrick Fran Hall Fran Hall See fewer	Jacob's Ladder (2003)
Dafydd Hywel Wynford Thomas Wynford Thomas See fewer	Miss Peregrine's Home for Peculiar Children (2016)
Dorien Thomas Warren Lucas Warren Lucas See fewer	Twin Town (1997)
Eiry Thomas Cheryl Cates Cheryl Cates See fewer	The Bench (2001)
Clare Isaac Jax Jax See fewer	Tiger Bay (1997)
Bill Bellamy Phil Latcham Phil Latcham See fewer	Bernard & Knives (2012)
Martin Cole Wayne Hayward Wayne Hayward See fewer	Mile High (2003)
Ifan Huw Dafydd Brandon Lewis Brandon Lewis See fewer	Alys (2011)
Erica Eirian Dawn Walters Dawn Walters See fewer	The Indian Doctor (2010)
Mal Henson Pats Lewis Pats Lewis See fewer	Ennal's Point (1982)
Cari Jones Lauren Cole Lauren Cole See fewer	The Bench (2001)
Julian Lewis Jones Mike Morris Mike Morris See fewer	Invictus (2009)
Simon Ludders Nick Hopkins Nick Hopkins See fewer	Miss Scarlet & the Duke (2020)
Stephen Marzella Arnie Parkman Arnie Parkman See fewer	Da Vinci's Demons (2013)
Rosie Meek Sarah Walters Sarah Walters See fewer	The Bench (2001)
Lisa Palfrey Jules Bowen Jules Bowen See fewer	Guest House Paradiso (1999)
Michael Povey Mr. Meadows (as Meic Povey) Mr. Meadows (as Meic Povey) See fewer	A Mind to Kill (1994)
Anita Reynolds Nita Jones Nita Jones See fewer	I Used to Be Famous (2022)
Amy Staples Jade Latcham Jade Latcham See fewer	Why? (2020)
Geraint Wyn Todd Nev James (as Geraint Todd) Nev James (as Geraint Todd) See fewer	Itopia (2022)