Name	Known for
Glyn Houston Isaac Pride Isaac Pride See fewer	The Great Game (1953)
Bernard Archard Mr. Wales Mr. Wales See fewer	Krull (1983)
Dillwyn Owen Graham Graham See fewer	Under Milk Wood (1971)
Alan Downer Smith Smith See fewer	Triton (1968)
Ieuan Rhys Williams Howells Howells See fewer	Barbara in Black (1962)
Desmond Llewelyn Company Spokesman Company Spokesman See fewer	GoldenEye (1995)
Rachel Thomas Mrs. Pride Mrs. Pride See fewer	The Woman Who Wouldn't Die (1965)
Islwyn Morris Rhys Rhys See fewer	Ring Out an Alibi (1964)
Prysor Williams Lew Lew See fewer	Barbara in Black (1962)
James Glanffrwd Walters (as Glanffrwd James) Walters (as Glanffrwd James) See fewer	BBC Sunday-Night Theatre (1950)
Emrys Leyshon Galloway Galloway See fewer	Moulded in Earth (1965)
Margaret John Mrs. Powell Mrs. Powell See fewer	Run Fatboy Run (2007)
Hubert Rees Gwilym Thomas Gwilym Thomas See fewer	The Life and Adventures of Nicholas Nickleby (1982)
Bill Meilen First Engineer First Engineer See fewer	The Ray Bradbury Theater (1985)
Ray Handy Second Engineer Second Engineer See fewer	Moulded in Earth (1965)
D.L. Davies Oatridge Oatridge See fewer	Ring Out an Alibi (1964)
Talfryn Thomas Happy Dodds Happy Dodds See fewer	St. Ives (1967)