Name	Known for
Elen Rhys DI Ffion Lloyd DI Ffion Lloyd See fewer	The Bastard Executioner (2015)
Richard Harrington DS Rick Sheldon DS Rick Sheldon See fewer	Hinterland (2013)
Rhian Blythe Helen Sheldon Helen Sheldon See fewer	Gwaith/Cartref (2011)
Ioan Hefin DCI Alan Vaughan DCI Alan Vaughan See fewer	Gangs of London (2020)
Aled Pugh DS Celyn Howells DS Celyn Howells See fewer	Stella (2012)
Mali Ann Rees DS 'Mogsy' Morgan DS 'Mogsy' Morgan See fewer	Lost Boys & Fairies (2024)
William Thomas Griff Lloyd Griff Lloyd See fewer	Torchwood (2006)
Sharon Morgan Delyth Lloyd Delyth Lloyd See fewer	Apostle (2018)
Hannah Daniel Lisa Redwood Lisa Redwood See fewer	Hinterland (2013)
Ian Puleston-Davies Paul Harvey Paul Harvey See fewer	Pennyworth (2019)
Sion Alun Davies Jamie Tilston (as Siôn Alun Davies) Jamie Tilston (as Siôn Alun Davies) See fewer	Hidden (2018)
Eiry Thomas Anna Harvey Anna Harvey See fewer	The Bench (2001)
Sule Rimi Alex Hinton Alex Hinton See fewer	The Day of the Jackal (2024)
Marley Philip Peter Hinton Peter Hinton See fewer	Cleddau (2024)
Tristan Slowley Connor Connor See fewer	Cleddau (2024)