Name	Known for
Joan Hooley Dr. Louise Mahler Dr. Louise Mahler See fewer	Secret Agent (1964)
John White Giles Farmer Giles Farmer See fewer	Tentacles (1977)
John Carlisle Mr. Lester Large Mr. Lester Large See fewer	The Omega Factor (1979)
Pamela Duncan Sister Doughty Sister Doughty See fewer	Play for Today (1970)
Dorothy Smith Sister MacNab Sister MacNab See fewer	McFarlane's Way (1959)
Pat Laurence Nurse Michaela Davies (as Tricia Money) Nurse Michaela Davies (as Tricia Money) See fewer	It's a Wonderful World (1956)
Freda Bamford Mrs. Poole Mrs. Poole See fewer	The Avengers (1961)
Michael Baxter Dr. Alex Grant Dr. Alex Grant See fewer	The White Rabbit (1967)
Jill Browne Sister Carole Young Sister Carole Young See fewer	Emergency-Ward 10 (1957)
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)
Peter Howell Dr. Peter Harrison Dr. Peter Harrison See fewer	Scum (1979)
Barry Linehan Mr. Poole Mr. Poole See fewer	The Andromeda Breakthrough (1962)
Gloria Salvador Marilyn Cox Marilyn Cox See fewer	Dixon of Dock Green (1955)
William Victor Eric Poole Eric Poole See fewer	In My Country (2017)