A hunt for a spy, in a hotel in the South of France just before World War Two.
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
Clare Hamilton
Mary Skelton
Frederick Valk
Emil Schimler, alias Paul Heimberger
