Name	Known for
Shelley Rees Donna Isaacs Donna Isaacs See fewer	Svengali (2013)
Siwan Morris Steph Murphy Steph Murphy See fewer	The Machine (I) (2013)
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)
Lowri Palfrey Annest Haf Annest Haf See fewer	Hêri (2023)
Ieuan Rhys Eurig Bell Eurig Bell See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
Bradley Freegard Mei Huws Mei Huws See fewer	Vikings: Valhalla (2022)
Aled Bidder Math Roberts Math Roberts See fewer	Mabinogi-Ogi (2017)
Gareth Jewell Aled Jenkins Aled Jenkins See fewer	Alys (2011)
Lisa Jen Brown Ceri Gravelle Ceri Gravelle See fewer	On the Sea (2025)
Mair Rowlands Gwenno Bell Gwenno Bell See fewer	Under Milk Wood (2015)
Jâms Thomas Colin Isaacs Colin Isaacs See fewer	Pride (I) (2014)
Jacob Oakley Dylan Isaacs Dylan Isaacs See fewer	The Indian Doctor (2010)
Sue Roderick Llywela Harding Llywela Harding See fewer	Rebecca's Daughters (1992)
Gwen Ellis Linda Pierce Linda Pierce See fewer	Hedd Wyn (1992)
Claire Cage Dr. Carter Dr. Carter See fewer	Submarine (2010)
Heledd Gwynn Abi Bell Abi Bell See fewer	The Pact (I) (2021)
Hannah Koziel Carla Carla See fewer	Gwaith/Cartref (2011)
Daf Thomas Lucas (as Dafydd Thomas) Lucas (as Dafydd Thomas) See fewer	Truth & Treason (2025)
Kyle Lima Paramedic Paramedic See fewer	Merlin (2008)