Name	Known for
Martin Clunes Nathan Williams Nathan Williams See fewer	Doc Martin (2004)
Mark Lewis Jones Caleb Williams Caleb Williams See fewer	Gangs of London (2020)
Michael Obiora Scott Foley Scott Foley See fewer	Luther (2010)
Natalia Kostrzewa Eva Bartosz Eva Bartosz See fewer	Black Mirror (2011)
Louis Ashbourne Serkis Johnny Williams Johnny Williams See fewer	Out There (I) (2025)
Eiry Thomas PC Jane Crowther PC Jane Crowther See fewer	Enid a Lucy (2019)
Jack Parry-Jones DCI Neil Anderson DCI Neil Anderson See fewer	House of the Dragon (2022)
Carly-Sophia Davies Sadie Sadie See fewer	Jay Kelly (2025)
Gerran Howell Rhys Rhys See fewer	The Pitt (2025)
Sharon Morgan Gwen Thomas Gwen Thomas See fewer	Apostle (2018)
Cat Simmons Robyn Robyn See fewer	The Holiday (2021)
Garmon Rhys Dan Dan See fewer	Hidden (2018)
Gareth David-Lloyd Gethin Gethin See fewer	Torchwood (2006)
Joshua McCord Bunny Bunny See fewer	The Cleaner (2021)
Darren Evans Stuey Stuey See fewer	Submarine (2010)
Gwen Ellis Doris Doris See fewer	Hedd Wyn (1992)
Josef Altin Kenny Davies Kenny Davies See fewer	Eastern Promises (2007)
Marcin Zarzeczny Pavel Pavel See fewer	The Agency: Central Intelligence (2024)