Name	Known for
Paula Byrne Frances Whitney Frances Whitney See fewer	Hour of Mystery (1957)
Jill Browne Sister Carole Young Sister Carole Young See fewer	Emergency-Ward 10 (1957)
John White Giles Farmer Giles Farmer See fewer	Tentacles (1977)
John Carlisle Mr. Lester Large Mr. Lester Large See fewer	The Omega Factor (1979)
Tom Adams Guy Marshall Guy Marshall See fewer	The Great Escape (1963)
John Barron Harold de la Roux Harold de la Roux See fewer	The Fall and Rise of Reginald Perrin (1976)
Michael Baxter Dr. Alex Grant Dr. Alex Grant See fewer	The White Rabbit (1967)
Barbara Bolton Mrs. Harding Mrs. Harding See fewer	ITV Playhouse (1967)
Geoffrey Colville Dr. Mike Beckett (as Geoffrey Colvile) Dr. Mike Beckett (as Geoffrey Colvile) See fewer	Doctor Who (1963)
Pauline Devaney Jane Drew Jane Drew See fewer	Cheri (1973)
Pamela Duncan Sister Doughty Sister Doughty See fewer	Play for Today (1970)
Enid Lindsey Matron Matron See fewer	Sherlock Holmes (1964)
Chips Rafferty Mick Doyle Mick Doyle See fewer	Wake in Fright (1971)
Iris Russell Matron Mary Stevenson Matron Mary Stevenson See fewer	The Avengers (1961)
Madge Ryan May Gorton May Gorton See fewer	A Clockwork Orange (1971)
Dorothy Smith Sister MacNab Sister MacNab See fewer	McFarlane's Way (1959)
William Victor Eric Poole Eric Poole See fewer	In My Country (2017)