Name	Known for
Ieuan Evans Llŷr Llŷr See fewer	Still Waters (2022)
Oliver John Rhys Ifanc Rhys Ifanc See fewer	Still Waters (2022)
Sian Reese-Williams Caryl Caryl See fewer	Hidden (2018)
Owain Gwynn Hywel (as Owain Gwynne) Hywel (as Owain Gwynne) See fewer	Apostle (2018)
Robert Glenister Robert Robert See fewer	Persuasion (1995)
Hugh Thomas Aelod o'r Gymuned Aelod o'r Gymuned See fewer	If.... (1968)
Gillian Elisa Eunice Eunice See fewer	Sherlock (2010)
Olwen Rees Mrs. Lewis Mrs. Lewis See fewer	BBC Play of the Month (1965)
Mark Lewis Jones Rhys Rhys See fewer	Gangs of London (2020)
Maeve Courtier-Lilley Mabli Mabli See fewer	Gran Turismo (2023)
Tom Rhys Harries Hari Hari See fewer	White Lines (2020)
Nia Roberts Eve Eve See fewer	Cashback (2006)
Luke Bailey Luke Luke See fewer	Casualty (1986)
Heledd Bianchi Gweinydd Sglodion Gweinydd Sglodion See fewer	Still Waters (2022)
Sophie Warren Gweinydd Sglodion Ifanc Gweinydd Sglodion Ifanc See fewer	Y Wers Olaf (2022)
Wyn Bowen Harries Bryn Bryn See fewer	Ironclad (2011)
Leisa Gwenllian Eve Ifanc (llun) Eve Ifanc (llun) See fewer	On the Sea (2025)
Mali Tudno Jones Megan Megan See fewer	35 Diwrnod (2014)
Matthew Gravelle Gareth Gareth See fewer	Broadchurch (2013)