Name	Known for
Rhodri Evan Rhydian Elis Rhydian Elis See fewer	Cowbois Ac Injans (2006)
Hannah Daniel Beca Matthews Beca Matthews See fewer	Hinterland (2013)
Siw Hughes Gemma Haddon Gemma Haddon See fewer	Pobol y Cwm (1974)
Rhys ap Trefor Simon Watkins Simon Watkins See fewer	Torchwood (2006)
Rhian Blythe Grug Matthews Grug Matthews See fewer	Gwaith/Cartref (2011)
Huw Rhys Dan James Dan James See fewer	Doctor Who (2005)
Lauren Phillips Sara Harries Sara Harries See fewer	Dance of the Dead (2008)
Catrin Fychan Nerys Edwards Nerys Edwards See fewer	Hedd Wyn (1992)
Richard Elis Wyn Rowlands Wyn Rowlands See fewer	EastEnders (1985)
Rhian Morgan Gwen Lloyd Gwen Lloyd See fewer	Apostle (2018)
Jâms Thomas Marc Reed Marc Reed See fewer	Pride (I) (2014)
Hanna Morgan Branwen O'Donnell Branwen O'Donnell See fewer	Gwaith/Cartref (2011)
Nathalie Truelove Danielle Danielle See fewer	Gwaith/Cartref (2011)
Samuel Davies Jac Lewis Jac Lewis See fewer	Gwaith/Cartref (2011)
Justine Pickering Counselor Counselor See fewer	Reunion (VI) (2020)
Nichole Thomas Sienna Sienna See fewer	Gwaith/Cartref (2011)
Manon Grocott Nadine Nadine See fewer	Gwaith/Cartref (2011)
Carl Watson Mr. Nyondo Mr. Nyondo See fewer	Gwaith/Cartref (2011)
Ashley Mbofana Choir Soloist Choir Soloist See fewer	Gwaith/Cartref (2011)
Ioan Hefin James James See fewer	Gangs of London (2020)
Lee Mengo Psychiatric Nurse Psychiatric Nurse See fewer	One Chance (2013)
Kai Owen Michael Watkins Michael Watkins See fewer	Torchwood (2006)
Jenny Livsey Therapist Therapist See fewer	Keeping Faith (2017)
Ryan Jones Schoolboy (uncredited) Schoolboy (uncredited) See fewer	Cops (1989)