Name	Known for
Sara Gregory Alys (as Sara Lloyd-Gregory) Alys (as Sara Lloyd-Gregory) See fewer	Alys (2011)
William Thomas Wiliam Wiliam See fewer	Torchwood (2006)
Richard Harrington Simon Simon See fewer	Hinterland (2013)
Gillian Elisa Heulwen Heulwen See fewer	Sherlock (2010)
Kate Jarman Angie Angie See fewer	Bang (2017)
Rhys ap William Chris Chris See fewer	The Indian Doctor (2010)
Aled Pugh Kevin Kevin See fewer	Stella (2012)
Carwyn Glyn Shane Shane See fewer	Under Milk Wood (2015)
Delyth Wyn Bessie Bessie See fewer	Child of Love (1987)
Paul Morgans Dylan Dylan See fewer	King of Thebes (2012)
Carys Eleri Llio Llio See fewer	Under Milk Wood (2015)
Ifan Huw Dafydd Ron (credit only) Ron (credit only) See fewer	Alys (2011)
Shelley Rees Debbie Debbie See fewer	Svengali (2013)
Menna Trussler Moira Moira See fewer	Pride (I) (2014)
Zachary Mutyambizi Daniel Daniel See fewer	Alys (2011)
Huw Euron Ken Ken See fewer	Pride (I) (2014)
Siwan Bowen Davies Dora Dora See fewer	Alys (2011)
Simon Fisher Terry Terry See fewer	Alys (2011)
Geraint Lewis Tafarnwr Tafarnwr See fewer	A Mind to Kill (1994)
Robert Gwyn Davin Headmaster (Ep. 2.1) Headmaster (Ep. 2.1) See fewer	First Knight (1995)
Danny Grehan PC Williams PC Williams See fewer	Rain: An Original Musical (2012)
Aneirin Hughes Toms Toms See fewer	Cameleon (1997)
Gareth Nash Iestyn Iestyn See fewer	Alys (2011)
Faith Perry Gwraig Drws Nesa Gwraig Drws Nesa See fewer	Alys (2011)
Catrin-Mai Huw Ceri (credit only) Ceri (credit only) See fewer	Xenoblade Chronicles 2 (2017)
Tony Laidlaw Bar drinker Bar drinker See fewer	Lex talionis (2012)