Sophie Malraux
Jean Simmons
Maj. David Somers
Trevor Howard
Taxidermist
Eric Pohlmann
Employment Agent
Richard Wattis
Kyra
Sandra Dorne
Nora
Maire O'Neill
Hick
Maxwell Reed
Young Woman at Nora's House (uncredited)
Marianne Stone
Jess Fenton
Sonia Dresdel
Nicholas Fenton
Barry Jones
Willy Shepley
Kenneth More
Police Inspector
Geoffrey Keen
Secret Service Chief Chubb (as Andre Morell)
André Morell
Police Superintendent
Michael Brennan
Dr. Karl Cesare
Gerard Heinz
Minna Cesare
Lily Kann
Director of Photography
Geoffrey Unsworth
Original Story
Janet Green
Screenplay
Director
Ralph Thomas
Editor
Gordon Hales
Original Music Composer
Benjamin Frankel
Producer
Betty E. Box