Name	Known for
Stanley Baker Gwilym Morgan Gwilym Morgan See fewer	Zulu (1964)
Siân Phillips Beth Morgan Beth Morgan See fewer	Dune (1984)
Nerys Hughes Bronwen Morgan Bronwen Morgan See fewer	The Liver Birds (1969)
Norman Comer Ifor Morgan Ifor Morgan See fewer	How Green Was My Valley (1975)
Keith Drinkel Ianto Morgan Ianto Morgan See fewer	Miss Marple: The Body in the Library (1984)
Mike Gwilym Owen Morgan Owen Morgan See fewer	Priest of Love (1981)
Sue Jones-Davies Angharad Morgan Angharad Morgan See fewer	Life of Brian (1979)
Rhys Powys Huw Morgan Huw Morgan See fewer	Parch (2015)
Gareth Thomas Rev. Gruffydd Rev. Gruffydd See fewer	Blake's 7 (1978)
Jeremy Clyde Iestyn Evans Iestyn Evans See fewer	Once Upon a Time... in Hollywood (2019)
Ray Smith Dai Bando Dai Bando See fewer	The Old Devils (1992)
John Clive Cyfartha Cyfartha See fewer	The Italian Job (1969)
Victoria Plucknett Marged Marged See fewer	The Duchess of Duke Street (1976)
Aubrey Richards Elias Elias See fewer	Endless Night (I) (1972)
Patricia Mort Mrs. Beynon Mrs. Beynon See fewer	Festival (I) (1963)
Clifford Rose Mr. Jonas Mr. Jonas See fewer	Pirates of the Caribbean: On Stranger Tides (2011)
Ivor Roberts Mr. Motshill Mr. Motshill See fewer	The Talisman (1980)
Michael Griffiths Mervyn Phillips Mervyn Phillips See fewer	The Professionals (1977)