Name	Known for
Duncan Bett Eric Hughes Eric Hughes See fewer	Happy Hours (2013)
Angela Brinkworth Elsie Royston Elsie Royston See fewer	The Bench (2001)
Karin Diamond Sharon Thompson Sharon Thompson See fewer	Happy Hours (2013)
Manon Eames Fiona Graham Fiona Graham See fewer	Solomon & Gaenor (1999)
Roger Evans Hugh Evans Hugh Evans See fewer	House of the Dragon (2022)
Ray Gravell Parry Morgan Parry Morgan See fewer	Damage (1992)
Teresa Hennessy Mrs. Shaw Mrs. Shaw See fewer	How can I Be Sure? (2018)
Brian Hibbard Ralph Jenkins Ralph Jenkins See fewer	Revolver (2005)
Aneirin Hughes Mr. Pugh Mr. Pugh See fewer	Cameleon (1997)
Dafydd Hywel Wynford Thomas Wynford Thomas See fewer	Off to Philadelphia in the Morning (1978)
Rachel Isaac Ange Collins Ange Collins See fewer	The Office (2001)
Eluned Jones Val Sullivan Val Sullivan See fewer	The Dark (2005)
Julian Lewis Jones Mike Morris Mike Morris See fewer	Invictus (2009)
Mark Lewis Jones Des Davies Des Davies See fewer	Gangs of London (2020)
Anna Joseph Siobhan Siobhan See fewer	UCLA Centennial Campaign: Let There be Light (2014)
Ranjit Krishnamma Vic Lloyd Vic Lloyd See fewer	Blitz (2011)
Lisa Palfrey Jules Bowen Jules Bowen See fewer	Guest House Paradiso (1999)
Alun Raglan Kenneth Johnson Kenneth Johnson See fewer	Gladiator (2000)
Anita Reynolds Nita Jones Nita Jones See fewer	I Used to Be Famous (2022)
Dorien Thomas Warren Lucas Warren Lucas See fewer	Twin Town (1997)
Eiry Thomas Cheryl Cates Cheryl Cates See fewer	The Bench (2001)