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)
Sion Alun Davies Jamie Tilston (as Siôn Alun Davies) Jamie Tilston (as Siôn Alun Davies) See fewer	Hidden (2018)
Ian Puleston-Davies Paul Harvey Paul Harvey See fewer	Pennyworth (2019)
Eiry Thomas Anna Harvey Anna Harvey See fewer	The Bench (2001)
Lily Williams Mati Sheldon Mati Sheldon See fewer	Cleddau (2024)
Anita Reynolds Jan Jan See fewer	I Used to Be Famous (2022)