James Mason
Peter Vadassy
Lucie Mannheim
Mme Suzanne Koch
Raymond Lovell
Robert Duclos
Julien Mitchell
Michel Beghin, intelligence chief
Herbert Lom
Andre Roux
Martin Miller
Walter Vogel
C
Clare Hamilton
Mary Skelton
Frederick Valk
Emil Schimler, alias Paul Heimberger
Patricia Medina
Odette Roux
A
Anthony Shaw
Major Anthony Chandon-Hartley
Laurence Hanray
Police Commissioner
D
David Ward
Henri Asticot
Valentine Dyall
Warren Skelton
J
Joseph Almas
Albert, the Waiter
Patricia Hayes
Woman
Hella Kürty
Hilda Vogel
Ivor Barnard
P. Molon, chemist
E
Ernst Ulman
Detective in Black Suit
J
John Baker
Policeman
M
Mike Johnson
Old Man
Victor Rietti
Restaurant Owner
H
Hugo Schuster
Inspector