Name	Known for
Eddie Marsan Arwel Arwel See fewer	Happy-Go-Lucky (2008)
Eiry Thomas Louie Louie See fewer	The Bench (2001)
Aneurin Barnard Jack Jack See fewer	Dunkirk (2017)
Laura Fraser Anna Anna See fewer	Vanilla Sky (2001)
Julie Hesmondhalgh Nancy Nancy See fewer	Broadchurch (2013)
Heledd Gwynn Cat Cat See fewer	The Pact (I) (2021)
Alexandria Riley DC Anford DC Anford See fewer	Torchwood: The Story Continues (2017)
Rakie Ayola DS Holland DS Holland See fewer	Bad Apples (2025)
Ben McGregor DC Griffiths DC Griffiths See fewer	The Tuckers (2020)
Jason Hughes Max Max See fewer	Midsomer Murders (1997)
Mark Lewis Jones Father Martin Father Martin See fewer	Gangs of London (2020)
Aled ap Steffan Ryan Ryan See fewer	Gangs of London (2020)
Gabrielle Creevy Tamsin Tamsin See fewer	Three Women (2023)
Abbie Hern Tish Tish See fewer	Enola Holmes 2 (2022)
Richard Elfyn Dylan Dylan See fewer	Apostle (2018)
Alexandra Thie Shop Assistant Shop Assistant See fewer	The Pact (I) (2021)
Adrian Edmondson Richard Richard See fewer	Bancroft (2017)