Suspect
Cast
Geoffrey Bayldon
Rosson
Thorley Walters
Special Agent Prince
Sam Kydd
Slater
Brian Oulton
Director
John Payne
Iverson
Ian Wilson
Pin Table Man
Ian Bannen
Alan Andrews
Andre Charisse
Heller
Tony Britton
Dr. Robert Marriott
Peter Cushing
Professor Sewell
Donald Pleasence
Parsons, alias Bill Brown
Anthony Booth
Parkin
Margaret Lacey
Prince's Secretary
Murray Melvin
Teddy Boy
Virginia Maskell
Dr. Lucy Byrne
Kenneth Griffith
Dr Shole
Spike Milligan
Arthur, lab orderly
Raymond Huntley
Sir George Gatting the Minister of Defense
Basil Dignam
Dr Childs