Name	Known for
Melanie Barker Mari Stephens Mari Stephens See fewer	Torchwood (2006)
Duncan Bett Eric Hughes Eric Hughes See fewer	Happy Hours (2013)
Mark Bishop Jason Malcolm Jason Malcolm See fewer	The Bench (2001)
Ree Davies Delyth Delyth See fewer	The Bench (2001)
Siôn Eirug Geraint Jones (as Sion Eirug) Geraint Jones (as Sion Eirug) See fewer	Keeping Faith (2017)
Roger Evans Hugh Evans Hugh Evans See fewer	House of the Dragon (2022)
Karrina Firkins Sonia Sonia See fewer	The Bench (2001)
Brian Hibbard Ralph Jenkins Ralph Jenkins See fewer	Revolver (2005)
Rhodri Hugh P.C. Clem Morris P.C. Clem Morris See fewer	Satellite City (1996)
Eluned Jones Val Sullivan Val Sullivan See fewer	The Dark (2005)
Judi Jones Margaret Mathias Margaret Mathias See fewer	Life on Mars (2006)
Mark Lewis Jones Des Davies Des Davies See fewer	Gangs of London (2020)
Philip McGough Peter Mansell Peter Mansell See fewer	Les Misérables (1998)
Francine Morgan Gillian Jones Gillian Jones See fewer	Frankenstein (1994)
Miles Nelson Connor Jones Connor Jones See fewer	The Bench (2001)
Wynford Elis Owen Bob Malcolm Bob Malcolm See fewer	Gwaed ar y Ser (1975)
Vivien Parry Sarah Burrows Sarah Burrows See fewer	Beauty and the Beast (I) (2017)
Michael Povey Mr. Meadows (as Meic Povey) Mr. Meadows (as Meic Povey) See fewer	A Mind to Kill (1994)
Victoria Pugh Tracy Miers Tracy Miers See fewer	Hidden (2018)
Anita Reynolds Nita Jones Nita Jones See fewer	I Used to Be Famous (2022)
Anwen Roberts Beatrice Jones Beatrice Jones See fewer	The Bench (2001)
Phaldut Sharma Ranjit Singh (as Paul Sharma) Ranjit Singh (as Paul Sharma) See fewer	Gravity (2013)
Kerry Joy Stewart Sandra Dewick Sandra Dewick See fewer	King Arthur: Excalibur Rising (2017)
Dorien Thomas Warren Lucas Warren Lucas See fewer	Twin Town (1997)
Eiry Thomas Cheryl Cates Cheryl Cates See fewer	The Bench (2001)
Lesley Vickerage Katharine Tyrell Katharine Tyrell See fewer	Moonfleet (2013)