Name	Known for
Sara Gregory Alys (as Sara Lloyd-Gregory) Alys (as Sara Lloyd-Gregory) See fewer	Alys (2011)
Zachary Mutyambizi Daniel Daniel See fewer	Alys (2011)
William Thomas Wiliam Wiliam See fewer	Torchwood (2006)
Aneirin Hughes Toms Toms See fewer	Cameleon (1997)
Gillian Elisa Heulwen Heulwen See fewer	Sherlock (2010)
Ifan Huw Dafydd Ron Ron See fewer	Alys (2011)
Shelley Rees Debbie Debbie See fewer	Svengali (2013)
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)
Catrin-Mai Huw Ceri Ceri See fewer	Xenoblade Chronicles 2 (2017)
Delyth Wyn Bessie Bessie See fewer	Yr Amgueddfa (2021)
Menna Trussler Moira Moira See fewer	Pride (I) (2014)
Simon Fisher Gyrrwr Tacsi Gyrrwr Tacsi See fewer	Alys (2011)
Gareth Nash Iestyn Iestyn See fewer	Alys (2011)
Sharon Morgan Lisabeth Lisabeth See fewer	Apostle (2018)
Lisa Marged Catrin Catrin See fewer	Scopophobia (2024)
Geraint Lewis Tafarnwr Tafarnwr See fewer	A Mind to Kill (1994)
Marcus Smith Mike Mike See fewer	Alys (2011)
Siwan Bowen Davies Gwraig Gwraig See fewer	Alys (2011)
Huw Euron Gwr Gwr See fewer	Pride (I) (2014)
Dafydd Rhys Evans Dyfarnwr Dyfarnwr See fewer	Alys (2011)
Dion Davies Graham Graham See fewer	Under Milk Wood (2015)
Caradog Rhys Alex Alex See fewer	Alys (2011)
Tom Hughes Aron Aron See fewer	Alys (2011)
Gerald Royston Horler Mourner At Funeral Mourner At Funeral See fewer	Pure Bloodlines: Blood's Thicker Than Water (2014)