Name	Known for
David Markham Professor Wedgwood Professor Wedgwood See fewer	Tales from the Crypt (1972)
John Cairney Ian Murray Ian Murray See fewer	Jason and the Argonauts (1963)
Frank Finlay Mr. Henderson Mr. Henderson See fewer	Lifeforce (1985)
Michael Craze Geoffrey Wedgwood Geoffrey Wedgwood See fewer	Doctor Who (1963)
Sylvia Davies Valerie Wedgwood Valerie Wedgwood See fewer	Little Women (1958)
Michael Hammond Jimmy Wedgwood Jimmy Wedgwood See fewer	Hilda Lessways (1959)
William Ingram Flt. Lt. Williams Flt. Lt. Williams See fewer	Secret Agent (1964)
Phyllis Kenny Pat Maxwell Pat Maxwell See fewer	Target Luna (1960)
Deborah Stanford Jean Cary Jean Cary See fewer	UFO (1970)
Robert Stuart Dr. Stevens Dr. Stevens See fewer	Captain James Cook (1959)
Michael Verney Mr. Field Mr. Field See fewer	Target Luna (1960)