John Deray / John Davos
Michael Caine
Steve Ventura
Anthony Quinn
Minierini
Georges Beller
Fortuit
Jean-Louis Fortuit
Kurt
Jerry Brouer
Henri
Georges Lycan
Wilson
Pierre Koulak
The Countess
Hella Petri
Lazar
Vernon Dobtcheff
Fournier
Gib Grossac
Sally
Barbara Sommers
Janet
Martine Kelly
Jacques Brizard
James Mason
The Girl
Dyanik Zurakowska
Inspector Briac
Maurice Ronet
Rita
Alexandra Stewart
Lucienne
Maureen Kerwin
Brizard's Mistress
Catherine Rouvel
Calmet
Marcel Bozzuffi
Kovakian
Patrick Floersheim
Marsac
André Oumansky
Director
Robert Parrish
Production Design
Willy Holt
Director of Photography
Douglas Slocombe
Screenplay
Judd Bernard
Producer
Sound Mixer
Roy Charman
Original Music Composer
Roy Budd
Editor
Willy Kemplen