Characters played by Jean Simmons
Sophie Malraux
Characters played by Trevor Howard
Maj. David Somers
Characters played by Sonia Dresdel
Jess Fenton
Characters played by Barry Jones
Nicholas Fenton
Characters played by Kenneth More
Willy Shepley
Characters played by Geoffrey Keen
Police Inspector
Characters played by André Morell
Secret Service Chief Chubb
Characters played by Michael Brennan
Superintendent Ross
Characters played by Gerard Heinz
Dr. Karl Cesare
Characters played by Lily Kann
Minna Cesare
Characters played by Eric Pohlmann
Greek taxidermist
Characters played by Richard Wattis
Employment Agent
Characters played by Sandra Dorne
Kyra
Characters played by Maire O'Neill
Nora
Characters played by Maxwell Reed
Hick
Characters played by Gabrielle Blunt
Addie the Housekeeper
Characters played by John Boxer
Keswick Police Sgt
Characters played by Cyril Chamberlain
Passport Official
Characters played by Arthur Denton
Newcastle Bus Passenger
Characters played by Alexander Field
2nd Hand Clothes Man
Characters played by Helen Goss
Woman Shopkeeper
Characters played by Lionel Grose
Newcastle Bus Conductor
Characters played by Arthur Hambling
Local Police Sgt
Characters played by Glyn Houston
Lancastrian Bus Conductor
Characters played by Sam Kydd
Police Radio Operator
Characters played by Aileen Lewis
Train Passenger
Characters played by Dandy Nichols
Ernie's Mother on Train
Characters played by Anthony Oliver
Detective
Characters played by Charles Paton
Mac
Characters played by Richard Pearson
Det Sgt Stewart
Characters played by Ewen Solon
Coniston Police Sgt
Characters played by Marianne Stone
Young Woman at Nora's House
Characters played by Paul Way
Chinese Photographer