Name	Known for
Ella Peel Ela Ela See fewer	The Light in the Hall (2022)
Glory Lewis-Rowe Young Greta Young Greta See fewer	The Light in the Hall (2022)
Joanna Scanlan Sharon Sharon See fewer	Notes on a Scandal (2006)
Aneirin Hughes Gafyn Gafyn See fewer	Cameleon (1997)
Alexandra Roach Cat Cat See fewer	Anna Karenina (I) (2012)
Iwan Rheon Joe Joe See fewer	Game of Thrones (2011)
Lisa Palfrey Nina Nina See fewer	Guest House Paradiso (1999)
Hannah Daniel Izzy Izzy See fewer	Hinterland (2013)
Ifan Huw Dafydd Wyn Wyn See fewer	Alys (2011)
Dylan Jones Young Joe Young Joe See fewer	The Light in the Hall (2022)
Mari Ann Bull Young Shelley Young Shelley See fewer	Gates (2012)
Annes Elwy Greta Greta See fewer	Little Women (2017)
Ioan Hefin DCI Parry DCI Parry See fewer	Gangs of London (2020)
Rhian Blythe Shelley Shelley See fewer	Gwaith/Cartref (2011)
Mabli Jên Eustace Young Izzy Young Izzy See fewer	Enid a Lucy (2019)
Sian Reese-Williams Caryl Caryl See fewer	Hidden (2018)
Hannah Dando Alana (as Hannah Mary Dando) Alana (as Hannah Mary Dando) See fewer	The Light in the Hall (2022)
Delyth Wyn Eilis Eilis See fewer	Yr Amgueddfa (2021)
Aled Bidder Rhys Rhys See fewer	The Light in the Hall (2022)
Lily Beau Conway Sasha Sasha See fewer	Hidden (2018)
Morgan Hopkins Dai Dai See fewer	Torchwood (2006)
Catherine Ayers Sali Sali See fewer	Keeping Faith (2017)
Shelley Rees Ceri-Ann Ceri-Ann See fewer	Svengali (2013)