Name	Known for
Alfred Marks Captain Katt / Ludovic French / Inspector Brough Captain Katt / Ludovic French / Inspector Brough See fewer	Scream and Scream Again (1970)
Derek Royle The Professor / Frank Lucas The Professor / Frank Lucas See fewer	Will Shakespeare (1978)
Janet Behan Lieutenant Rook / Louise Jobling Lieutenant Rook / Louise Jobling See fewer	EastEnders (1985)
Simon Rouse Desmond Gibb Desmond Gibb See fewer	The Bill (1984)
Sarah James Pat Pat See fewer	Doctor Who (1963)
Clare Clifford Margot Margot See fewer	Miss Potter (2006)
Howard Samuels Toby Toby See fewer	Waving (2022)
John Elmes Dave Dave See fewer	Maurice (1987)
Patricia Maynard Madeleine Forsyth Madeleine Forsyth See fewer	Doctor Who (1963)
Ian Fairbairn Ted Ted See fewer	The Big Spender (1965)
John Owens Joe Joe See fewer	Dinotopia (I) (2002)
Ros Simmons Mugwump / Sylvia Pym Mugwump / Sylvia Pym See fewer	The Adventures of Sherlock Holmes (1984)
David Hatton Jack Judge Jack Judge See fewer	The Pirates of Penzance (1983)