Col. Alexi Vlassov
Yul Brynner
Alan Davies
Henry Fonda
Suzanne
Marie Dubois
Kate Cross
Elga Andersen
French Diplomat
André Falcon
Mercadier
William Sabatier
inspecteur Joss
François Maistre
Jeannine Santelli
Paola Pitagora
Gardener
Herbert Fux
Mrs von Strelitz
Eva Maria Meineke
Lefèvre
Luigi Diberti
Debecourt
Robert Party
Philip Boyle
Dirk Bogarde
Tatiana Vlassov
Nathalie Nerval
Narrator (voice) (uncredited)
Jean Desailly
Mrs. Annabel Lee
Virna Lisi
Polygraph interrogator
Robert Alda
Computer Programming Director
Farley Granger
Lucien Berthon
Philippe Noiret
Tavel
Michel Bouquet
Lepke
Martin Held
Deval
Guy Tréjan
Makeup Artist
Jean-Pierre Eychenne
Editor
Pierre Gillette
Assistant Editor
Nadine Muse
Screenplay
Gilles Perrault
Original Music Composer
Ennio Morricone
Director of Photography
Claude Renoir
Director
Henri Verneuil
Producer
Novel
Pierre Nord
Production Design
Jacques Saulnier
Costume Design
Hélène Nourry
Script Supervisor
Lucile Costa
Camera Operator
Charles-Henri Montel
Still Photographer
Vincent Rossell
Sound
Jean Rieul
First Assistant Director
Marc Grunebaum
Marie-Madeleine Paris
Unit Production Manager
Jean Drouin
Production Manager
Jacques Juranville
Location Manager
Jean-Pierre Nossereau
Catherine Ganz