Jean Simmons
Sophie Malraux
Acting
Trevor Howard
Maj. David Somers
Acting
Sonia Dresdel
Jess Fenton
Acting
Barry Jones
Nicholas Fenton
Acting
Kenneth More
Willy Shepley
Acting
Geoffrey Keen
Police Inspector
Acting
André Morell
Secret Service Chief Chubb (as Andre Morell)
Acting
Michael Brennan
Police Superintendent
Acting
Gerard Heinz
Dr. Karl Cesare
Acting
Lily Kann
Minna Cesare
Acting
Eric Pohlmann
Taxidermist
Acting
Richard Wattis
Employment Agent
Acting
Marianne Stone
Young Woman at Nora's House (uncredited)
Acting