Name	Known for
Fflyn Edwards Gwyn Griffiths Gwyn Griffiths See fewer	Venom: The Last Dance (2024)
Mali Jenkins Bethan Griffiths / Eirlys Bethan Griffiths / Eirlys See fewer	Amser Maith Maith Yn Ol (2018)
Simon Nehan Richard Lloyd Richard Lloyd See fewer	Made in Dagenham (2010)
Carli De'La Hughes Rhiannon Lloyd Rhiannon Lloyd See fewer	Freestyle (2010)
Eva Ossei-Gerning Nia Lloyd Nia Lloyd See fewer	House of the Dragon (2022)
Dion Mason Jones Alun Lloyd Alun Lloyd See fewer	The Snow Spider (2020)
Kezia Burrows Glenys Griffiths Glenys Griffiths See fewer	Doctor Foster: A Woman Scorned (2015)
Matthew Gravelle Ivor Griffiths Ivor Griffiths See fewer	Broadchurch (2013)
Macsen Forrest Gary Pritchard Gary Pritchard See fewer	Itopia (2022)
Jalisa Andrews Miss Rees Miss Rees See fewer	Nativity Rocks! (2018)
Jonah Kelly-Fisher Dewi Davies Dewi Davies See fewer	The Snow Spider (2020)
Max Dennis Gwyn Griffiths (5 years old) Gwyn Griffiths (5 years old) See fewer	The Snow Spider (2020)
Jessica Sandry Gwyneth Davies Gwyneth Davies See fewer	The Rebels (2019)
Rhys ap William Rhodri Davies Rhodri Davies See fewer	The Indian Doctor (2010)
Melanie Walters Nain Griffiths Nain Griffiths See fewer	Submarine (2010)