Name	Known for
Alexandra Roach Cat Cat See fewer	Anna Karenina (I) (2012)
Delyth Wyn Eilis Eilis See fewer	Child of Love (1987)
Iwan Rheon Joe Joe See fewer	Game of Thrones (2011)
Dylan Jones Young Joe Young Joe See fewer	The Red King (2024)
Mari Ann Bull Young Shelley Young Shelley See fewer	Gates (2012)
Joanna Scanlan Sharon Sharon See fewer	Notes on a Scandal (2006)
Morgan Hopkins Dai Dai See fewer	Pobol y Cwm (1974)
Aneirin Hughes Gafyn Gafyn See fewer	Cameleon (1997)
Annes Elwy Greta Greta See fewer	Little Women (2017)
Ella Peel Ela Ela See fewer	Nobody Girl (2021)
Catherine Ayers Sali Sali See fewer	Keeping Faith (2017)
Sian Reese-Williams Caryl Caryl See fewer	Hidden (2018)
Lisa Palfrey Nina Nina See fewer	Guest House Paradiso (1999)
Ifan Huw Dafydd Wyn Wyn See fewer	Alys (2011)
Alex Harries Phil Phil See fewer	Keeping Faith (2017)
Rhian Blythe Shelley Shelley See fewer	Gwaith/Cartref (2011)
Tonya Smith Carwen Carwen See fewer	The Dark (2005)
Hannah Daniel Izzy Izzy See fewer	Hinterland (2013)
Hannah Dando Alana (as Hannah Mary Dando) Alana (as Hannah Mary Dando) See fewer	Testament (2025)
Ben Bailey Smith Steve Steve See fewer	Persuasion (I) (2022)
Aled Pugh Ian Ian See fewer	Stella (2012)
Aled Bidder Rhys Rhys See fewer	Mabinogi-Ogi (2017)
Dion Lloyd Chris Chris See fewer	Pride (I) (2014)
Trevor Walton Paramedic (uncredited) Paramedic (uncredited) See fewer	The Hairdresser Mysteries