Name	Known for
Nerys Hughes Megan Roberts Megan Roberts See fewer	The Liver Birds (1969)
Eluned Jones Mrs. Beynon Mrs. Beynon See fewer	The Dark (2005)
Pip Miller Ted Beynon Ted Beynon See fewer	Star Wars: Episode VI - Return of the Jedi (1983)
Rio Fanning Dr. O'Casey Dr. O'Casey See fewer	Relic Hunter (1999)
Philip Hurd-Wood Dr. Charles Barclay (as Philip Hurdwood) Dr. Charles Barclay (as Philip Hurdwood) See fewer	Second Origin (2015)
Margaret John Gwen Harries Gwen Harries See fewer	Run Fatboy Run (2007)
Philip Raymond Hugh Morris Hugh Morris See fewer	A Bridge Too Far (1977)
Gareth Potter Bryn Morris Bryn Morris See fewer	The Tempest (IV) (2010)
John Ogwen David Price David Price See fewer	Doctor Who (1963)
Deborah Manship Nesta Mogg Nesta Mogg See fewer	Doctor Who (1963)
Beth Morris Evalina Williams Evalina Williams See fewer	David Copperfield (1974)
Richard Driscoll John Morris (as Steven Craine) John Morris (as Steven Craine) See fewer	The Comic (1985)