Name	Known for
Greg Llewellyn Arthur Drunkard Drunkard See fewer	Mine All Mine (2004)
Gareth John Bale Keith Keith See fewer	Apostle (2018)
Huw Ceredig Rhidian Edwards Rhidian Edwards See fewer	Twin Town (1997)
Michael Chase Franky Franky See fewer	The Flash (I) (2023)
Clint Dyer Vernon Vernon See fewer	Sus (I) (2010)
Gillian Elisa Anne Anne See fewer	Sherlock (2010)
Marion Fenner Miss Horam Miss Horam See fewer	Torchwood (2006)
Simon Fisher PC Charlie Francis PC Charlie Francis See fewer	Alys (2011)
Troy Glasgow Jamal Jamal See fewer	World War Z (2013)
Matthew Gravelle Lyn Edwards Lyn Edwards See fewer	Broadchurch (2013)
Ike Hamilton Silver Silver See fewer	The Boat That Rocked (2009)
Phylip Harries Alan Alan See fewer	Torchwood (2006)
Richard Harrington Stuart Stuart See fewer	Hinterland (2013)
Iola Hughes Julie Julie See fewer	Caerdydd (2006)
Eluned Jones Sue Harris Sue Harris See fewer	The Dark (2005)
Holly Jones Nia Thomas Nia Thomas See fewer	Y Pris (2007)
Mark Lewis Jones Chief Constable Bryan Jones Chief Constable Bryan Jones See fewer	Gangs of London (2020)
Philip Madoc Y Llywydd Y Llywydd See fewer	The Monsters (1962)
Dyfrig Morris Billy The Pimp Billy The Pimp See fewer	Desperate Romantics (2009)
Richard Norton Stag Do-er Stag Do-er See fewer	Water Rats (1996)
Maria Pride Tara Tara See fewer	Care (2000)
Aled Pugh Bryn Bryn See fewer	Stella (2012)
Nia Roberts Kirsti Kirsti See fewer	Cashback (2006)
Meilyr Sion PC Thomas PC Thomas See fewer	Masked (II) (2011)
James Thomas Twrch Twrch See fewer	Y Pris (2007)
Jâms Thomas Ieuan Ieuan See fewer	Pride (I) (2014)
Menna Trussler Mam Edwards Mam Edwards See fewer	Pride (I) (2014)
Vincent Walsh Fionn Fionn See fewer	Played (2013)
Sion Ifan Williams Top Cat Top Cat See fewer	Patagonia (2010)