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