Credits
Cast
Howard Duff
Dr. Stephen Mitchell
Eva Bartok
Dr. Lisa Frank
Alan Wheatley
Dr. Smith
Philip Leaver
Professor Koepler
Michael Medwin
Dr. Toby Andrews
Andrew Osborn
Dr. Philip Crenshaw
Cecile Chevreau
Vanessa Mitchell
Anthony Ireland
General Hayes
Hugh Moxey
Colonel Alfred Daniels
David Horne
Minister
Leo Phillips
Sergeant Peterson (uncredited)
Marianne Stone
Mrs. Rogers (uncredited)
Jean Webster-Brough
Mrs. Daniels (uncredited)
Art
J. Elder Wills
Art Direction
Camera
Len Harris
Camera Operator
Reginald H. Wyer
Director of Photography
Costume & Make-Up
Polly Young
Hairstylist
Dick Bonnor-Morris
Makeup Artist
Crew
Nora Roberts
Dialogue Coach
Charles Eric Maine
Radio Play
Directing
Jimmy Sangster
Assistant Director
Terence Fisher
Director
Renée Glynne
Script Supervisor
Editing
Maurice Rootes
Editor
Production
Michael Carreras
Producer
Robert L. Lippert
Producer
Victor Wark
Production Manager
Sound
Ivor Slaney
Music Director, Original Music Composer
Bill Salter
Sound Recordist
Writing
Richard H. Landau
Screenplay
Paul Tabori
Screenplay, Adaptation