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