Name	Known for
Nia Roberts Della Della See fewer	Cashback (2006)
Steffan Cennydd Caleb Caleb See fewer	The Pembrokeshire Murders (2021)
Steffan Rhodri Alun Alun See fewer	Submarine (2010)
Sharon Morgan Elinor Elinor See fewer	Apostle (2018)
Samuel Morgan-Davies Daniel Daniel See fewer	Sky (2025)
Mared Jarman Marged Marged See fewer	How This Blind Girl ... (2022)
Delyth Wyn Fioled Fioled See fewer	Child of Love (1987)
Hanna Jarman Sadie Sadie See fewer	Zanzibar (2011)
Simon Watts Elfryn Elfryn See fewer	Stad (2022)
Mali Tudno Jones Lisa Lisa See fewer	35 Diwrnod (2014)
Ieuan Rhys Gareth Gareth See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
Alun ap Brinley Lloyd Lloyd See fewer	Coronation Street (1960)
Richard Elfyn Byron Byron See fewer	Apostle (2018)
Mabli Gwynne Teleri Teleri See fewer	Yr Amgueddfa (2021)
Oliver Williams Young Caleb Young Caleb See fewer	Yr Amgueddfa (2021)