Michael York
Geoffrey Richter-Douglas
Michael York
Geoffrey Richter-Douglas
Elke Sommer
Erika Altschul
Peter Carsten
Major Tauntler
Marius Goring
Professor Christian Altschul
Anton Diffring
Colonel Hirsch
Andrew Keir
Von Gorian
Rupert Davies
Captain Whitney
Alexandra Stewart
Stephanie
William Marlowe
Anderson
Alan Rothwell
Brandner
Richard Hurndall
Blinker Hall
John Gill
Meier
Michael Robbins
Cockney Sergeant
Ben Howard
Jamie Fergusson
George Mikell
German Officer
Arnold Diamond
Major Proudfoot
Clive Morton
Lord Delford
Bryan Coleman
Colonel Whippen
Gary Waldhorn
Harlich
Ronald Adam
Prime Minister
Frazer Hines
Radio Operator
Ruth Kettlewell
Mrs. Parker
Ray Lonnen
Sgt. Grant
Gerry Johnston
Special Effects Supervisor
Kip Gowans
Assistant Director
Neville Smallwood
Makeup Supervisor
Charles Hammerton
Construction Manager
Claude Hudson
Production Manager
Brenda Dabbs
Wardrobe Supervisor
J. Ronald Getty
Executive Producer
Colin Jamison
Hairdresser
Rita Davison
Continuity
Charles Staffell
Special Effects
Brian West
Second Unit Cinematographer
Roy Budd
Original Music Composer
Lesley De Pettit
Casting Director
Bernard Hanson
Location Manager
Cliff Culley
Additional Camera
Roy Budd
Conductor
Herbert G. Luft
Finance
Wally Veevers
Special Effects
Friedrich Sturm
Technical Advisor
Étienne Périer
Director
Bert Davey
Art Direction
Arthur Taksen
Set Decoration
Vernon Messenger
Sound Editor
Sue Yelland
Costume Design
Ginger Gemmel
Camera Operator
Arthur Rowe
Screenplay
Owen Crump
Story
Alan Hume
Director of Photography
Owen Crump
Producer
John Shirley
Editor
Donald Churchill
Screenplay
Derek V. Browne
Camera Operator
Cliff Richardson
Special Effects
Les Wiggins
Sound Editor
C. Le Mesurier
Sound Recordist
Gordon Everett
Sound Recordist