演员阵容
James Donald
Michael HeathleyPhyllis Calvert
Lydia HeathleyNoel Willman
Dr. Dennis BordHerbert Lom
Dr. Alex LeonRobert Beatty
Maj. Sam SeagramPatric Doonan
Brian JacksonWalter Fitzgerald
Sir Charles CraddockMuriel Pavlow
Caroline CartierMaurice Denham
Prof. CarringtonMarjorie Fielding
Michael's MotherHerbert Lomas
George JacksonGeoffrey Denton
FisherCyril Chamberlain
Inspector CarterHal Osmond
Agent LawsonCaven Watson
Dr. FergusonMarianne Stone
MaisieStanley Maxted
Prof. AdamsHartley Power
General Adams (uncredited)Philip Ray
Sentry (uncredited)Johnnie Schofield
Jim Barnes (uncredited)John Warren
Ted (uncredited)艺术
John Howell
Art Direction工作人员
Bryan Langley
Special EffectsArthur Alcott
Production ControllerAlbert Whitlock
Special EffectsBill Warrington
Special Effects音响
Harry Miller
Sound EditorMuir Mathieson
ConductorBenjamin Frankel
Original Music ComposerGordon K. McCallum
Sound RecordistJohn Dennis
Sound Recordist摄影
Desmond Dickinson
Director of PhotographyStanley Grant
Aerial Director of PhotographyH.A.R. Thomson
Camera Operator剪辑
Frederick Wilson
Editor编剧
William Fairchild
ScreenplayJohn Pudney
Writer导演
制片
服装与化妆