| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alain Belmondo | Crew | Production | Production Manager |
 Alain Resnais | Crew | Directing | Director |
 Albert Jurgenson | Crew | Editing | Editor |
 Alexandre Mnouchkine | Crew | Production | Delegated Producer |
Bernard Bats | Crew | Sound | Sound |
 Charly Koubesserian | Crew | Costume & Make-Up | Makeup Artist |
 Georges Dancigers | Crew | Production | Delegated Producer |
Jacqueline Moreau | Crew | Costume & Make-Up | Costume Design |
Jacques Saulnier | Crew | Art | Production Design |
 Jean-Paul Belmondo | Crew | Production | Producer |
 Jean-Pierre Ruh | Crew | Sound | Sound |
 Jorge Semprún | Crew | Writing | Writer |
Sacha Vierny | Crew | Camera | Director of Photography |
Serge Groffe | Crew | Costume & Make-Up | Assistant Makeup Artist |
 Stephen Sondheim | Crew | Sound | Original Music Composer |
 Yves Saint Laurent | Crew | Costume & Make-Up | Costume Design |
Catherine Demesmeaker | Crew | Costume & Make-Up | Assistant Makeup Artist |
Marc Blanchard | Crew | Costume & Make-Up | Hairstylist |
 Anny Duperey | Cast | Actress | Arlette |
 Catherine Sellers | Cast | Actress | Natalya |
 Charles Boyer | Cast | Actor | Le baron Jean Raoul |
 Claude Rich | Cast | Actor | Inspecteur Bonny |
 Daniel Lecourtois | Cast | Actor | Le président de la commission d'enquête |
Dominique Rollin | Cast | Sedov | |
 Fernand Guiot | Cast | Actor | Van Straaten |
 François Leterrier | Cast | Actor | André Malraux |
 François Périer | Cast | Actor | Albert Borelli |
 Gabriel Cattand | Cast | Actor | Un député à la commission d'enquête |
Georges Yacoubian | Cast | Actor | Le valet de chambre |
 Gigi Ballista | Cast | Actor | Gaston Henriet |
 Guy Piérauld | Cast | Actor | Le contrôleur-receveur |
 Gérard Depardieu | Cast | Actor | Le jeune inventeur |
 Imelde Marani | Cast | Actress | La provinciale / La belle inconnue |
 Jacques Eyser | Cast | Actor | Véricourt |
 Jacques Spiesser | Cast | Actor | Michel Grandville |
 Jean Michaud | Cast | Actor | Houriaux |
 Jean-Michel Charlier | Cast | Actor | Le commissaire divisionnaire |
Jean-Paul Belmondo | Cast | Actor | Serge Alexandre Stavisky |
 Lionel Vitrant | Cast | Actor | Un invité |
 Lucienne Legrand | Cast | Actress | La secrétaire du Professeur Pierre |
 Marcel Cuvelier | Cast | Actor | Inspecteur Boussaud |
 Maurice Jacquemont | Cast | Actor | Gauthier |
 Michael Lonsdale | Cast | Actor | Docteur Mézy |
 Michel Beaune | Cast | Actor | Le journaliste maître-chanteur |
 Niels Arestrup | Cast | Actor | Rudolph, le secrétaire de Trotski |
 Niké Arrighi | Cast | Actress | Edith Boréal |
Paul Villé | Cast | L'huissier | |
 Pierre Vernier | Cast | Actor | Me Pierre Grammont |
Raymond Girard | Cast | Dr. Pierre | |
 Roberto Bisacco | Cast | Actor | Juan Montalvo de Montalbon |
 Roland Bertin | Cast | Actor | L'employé et gardien au cimetière |
 Samson Fainsilber | Cast | Actor | L'employé au fichier |
 Silvia Bădescu | Cast | Actress | Erna Wolfgang |
 Van Doude | Cast | Actor | Inspecteur principal Gardet |
Vicky Messica | Cast | Le régisseur | |
 Yves Brainville | Cast | Actor | M. de la Salle |
 Yves Peneau | Cast | Actor | Léon Trotski |
 Guido Cerniglia | Cast | Actor | Laloy |
| Person | Type | Job | Role(s) |
