Name	Known for
Colin Blakely Roberts Roberts See fewer	A Man for All Seasons (1966)
Clifford Evans John Anthony John Anthony See fewer	The Kiss of the Vampire (1963)
Angela Down Enid Enid See fewer	Emma (1996)
Nerys Hughes Annie Annie See fewer	The Liver Birds (1969)
Hugh Walters Tench Tench See fewer	1984 (1984)
Allan McClelland Wanklin Wanklin See fewer	The Avengers (1961)
Clifford Rose Wilder Wilder See fewer	Pirates of the Caribbean: On Stranger Tides (2011)
Malcolm Stoddard Underwood Underwood See fewer	The Campbells (1986)
George Waring Scantlebury Scantlebury See fewer	Emmerdale Farm (1972)
Jeremy Clyde Edgar Anthony Edgar Anthony See fewer	Once Upon a Time... in Hollywood (2019)
Hayden Jones Frost (as Haydn Jones) Frost (as Haydn Jones) See fewer	The Avengers (1961)
John Bennett Harness Harness See fewer	Watership Down (1978)
Aubrey Richards Thomas Thomas See fewer	Endless Night (I) (1972)
John Ogwen George Rous George Rous See fewer	Doctor Who (1963)
Betty Hare Mrs. Rous Mrs. Rous See fewer	For the Love of Ada (1972)
Victoria Plucknett Madge Thomas Madge Thomas See fewer	The Duchess of Duke Street (1976)
Fraser Cains Jago Jago See fewer	The Englishman Who Went Up a Hill But Came Down a Mountain (1995)
David Pugh Lewis Lewis See fewer	Burke & Hare (1972)
Mostyn Evans Green Green See fewer	Doctor Who (1963)
Mici Plwm Henry Rous Henry Rous See fewer	Ennal's Point (1982)
Huw Ceredig Bulgin Bulgin See fewer	Twin Town (1997)
John Pearce Jones Blacksmith Blacksmith See fewer	BBC Play of the Month (1965)
Eilian Wyn Youth Youth See fewer	Human Traffic (1999)
Gareth Lewis Evans Evans See fewer	Hawkmoor (1978)
Olwen Rees Parlourmaid Parlourmaid See fewer	BBC Play of the Month (1965)