Name	Known for
Siwan Morris Dr. Stephanie Murphy Dr. Stephanie Murphy See fewer	The Machine (I) (2013)
Huw Euron Paul Murphy Paul Murphy See fewer	Pride (I) (2014)
Bradley Freegard Mei Huws Mei Huws See fewer	Vikings: Valhalla (2022)
Shelley Rees Donna Isaacs Donna Isaacs See fewer	Svengali (2013)
Lisa Jen Brown Ceri Gravelle Ceri Gravelle See fewer	On the Sea (2025)
Ieuan Rhys Eurig Bell Eurig Bell See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
Mair Rowlands Gwenno Bell Gwenno Bell See fewer	Under Milk Wood (2015)
Sue Roderick Llywela Harding Llywela Harding See fewer	Rebecca's Daughters (1992)
Saran Morgan Nicky McLeod Nicky McLeod See fewer	Under Milk Wood (2015)
Mabli Jên Eustace Macsen Isaacs Macsen Isaacs See fewer	Enid a Lucy (2019)
Jacob Oakley Dylan Isaacs Dylan Isaacs See fewer	The Indian Doctor (2010)
Lowri Palfrey Annest Haf Annest Haf See fewer	Hêri (2023)
Aled Bidder Math Roberts Math Roberts See fewer	Mabinogi-Ogi (2017)
Gareth Jewell Aled Jenkins Aled Jenkins See fewer	Alys (2011)
Ieuan Bradley Gwydion Prydderch Gwydion Prydderch See fewer	Itopia (2022)
Jâms Thomas Colin Isaacs Colin Isaacs See fewer	Pride (I) (2014)
Isaiah Cai Forrest Josh Josh See fewer	Keeping Faith (2017)
Steve Elliot Clerk Clerk See fewer	Gwaith/Cartref (2011)
Julie Barclay Judge Judge See fewer	Grace (2021)
Garry Marriott Paramedic Paramedic See fewer	Kingsman: The Secret Service (2014)