Full Credits
22 members

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

Patricia Medina
Odette Roux
Anthony Shaw
Major Anthony Chandon-Hartley

Laurence Hanray
Police Commissioner
David Ward
Henri Asticot

Valentine Dyall
Warren Skelton
Joseph Almas
Albert, the Waiter

Patricia Hayes
Woman

Hella KΓΌrty
Hilda Vogel

Ivor Barnard
P. Molon, chemist
Ernst Ulman
Detective in Black Suit
John Baker
Policeman
Mike Johnson
Old Man

Victor Rietti
Restaurant Owner
Hugo Schuster
Inspector
17 members
Lance Comfort
Director
Anthony Hearne
Second Assistant Director
Mutz Greenbaum
Director
Victor Hanbury
Director
Eric Ambler
Novel
John Davenport
Screenplay
John Davenport
Adaptation
Mutz Greenbaum
Producer
Victor Hanbury
Producer
E.J. Holding
Production Manager
Lance Comfort
Producer
Arthur Ibbetson
Camera Operator
Mutz Greenbaum
Director of Photography
Lennox Berkeley
Music
John Cook
Sound Recordist
William C. Andrews
Art Direction
Sidney Stone
Editor