Cast
James Mason
Peter Vadassy
Lucie Mannheim
Mme Suzanne Koch
Laurence Hanray
Police Commissioner
Raymond Lovell
Robert Duclos
Martin Miller
Walter Vogel
Frederick Valk
Emil Schimler, alias Paul Heimberger
Patricia Hayes
Woman
Hella Kürty
Hilda Vogel
Victor Rietti
Restaurant Owner
Patricia Medina
Odette Roux
Valentine Dyall
Warren Skelton
Julien Mitchell
Michel Beghin, intelligence chief
Herbert Lom
Andre Roux
Ivor Barnard
P. Molon, chemist