Pemeran
Tony Britton
Dr. Robert Marriott
Virginia Maskell
Dr. Lucy Byrne
Ian Bannen
Alan Andrews
Kenneth Griffith
Dr Shole
Питер Кушинг
Professor Sewell
Thorley Walters
Special Agent Prince
Дональд Плезенс
Parsons, alias Bill Brown
Spike Milligan
Arthur, lab orderly
Raymond Huntley
Sir George Gatting the Minister of Defense
Sam Kydd
Slater
Anthony Booth
Parkin
Бэзил Дигнэм
Dr Childs
Brian Oulton
Director
R
Robert Bruce
Levers