Name	Known for
Catherine Ayers Angharad Angharad See fewer	Keeping Faith (2017)
Matthew Gravelle Harri Harri See fewer	Broadchurch (2013)
Mark Lewis Jones Dylan Dylan See fewer	Gangs of London (2020)
Eiry Thomas Catrin Catrin See fewer	Enid a Lucy (2019)
Sara Gregory Lowri (as Sara Lloyd Gregory) Lowri (as Sara Lloyd Gregory) See fewer	Alys (2011)
Sion Ifan Tom Tom See fewer	The One That Got Away (2024)
Richard Elfyn Meirion Meirion See fewer	Apostle (2018)
Rebecca Harries Megan Megan See fewer	Belonging (2000)
Rhys ap Trefor Aled Aled See fewer	Torchwood (2006)
Ffion Dafis Rhiannon Rhiannon See fewer	Hidden (2018)
Caryl Morgan Ela Ela See fewer	Coronation Street (1960)
Matthew Owen Alwyn Alwyn See fewer	Under Milk Wood (2015)
Rhys ap William Ed Ed See fewer	The Indian Doctor (2010)
Rhodri Meilir Owain Owain See fewer	Pride (I) (2014)
Eirlys Britton Elsi Elsi See fewer	Pobol y Cwm (1974)
Simon Fisher Mike Mike See fewer	Alys (2011)
Mabli Jên Eustace Carys (as a different name) Carys (as a different name) See fewer	Enid a Lucy (2019)
Jac Bryan Jac Jac See fewer	Byw Celwydd (2016)
Maeve Bluebell Wells Journalist (as Maeve Tonkin-Wells) Journalist (as Maeve Tonkin-Wells) See fewer	Ready Player One (I) (2018)
Richard Nichols Dr. Watkins Dr. Watkins See fewer	Tracks (I) (2016)