Name	Known for
Michael Baxter Dr. Alex Grant Dr. Alex Grant See fewer	The White Rabbit (1967)
Basil Hoskins Dr. Reginald Lane-Russell Dr. Reginald Lane-Russell See fewer	The Prisoner (1967)
Petra Markham Julie Callahan Julie Callahan See fewer	Get Carter (1971)
Jack Melford Dr. Rospin Dr. Rospin See fewer	A Shot in the Dark (1964)
Mitch Mitchell The Riot Squad (as John Mitchell) The Riot Squad (as John Mitchell) See fewer	The Groundstar Conspiracy (1972)
Jonathan Newth Charles Booth Charles Booth See fewer	The Day of the Triffids (1981)
John Marcus Powell Mr. Gittings (as Mark Powell) Mr. Gittings (as Mark Powell) See fewer	Mob Queen (1998)
Dorothy Smith Sister MacNab Sister MacNab See fewer	McFarlane's Way (1959)
Stella Tanner Sister Ransome Sister Ransome See fewer	Armchair Theatre (1956)
John Welsh Prof. Jenkins Prof. Jenkins See fewer	Krull (1983)
John White Giles Farmer Giles Farmer See fewer	Tentacles (1977)