| Person | Type | Job | Role(s) |
|---|---|---|---|
 André Tabet | Crew | Writing | Writer |
Daniel Diot | Crew | Camera | Director of Photography |
Dominique Fabre | Crew | Writing | Novel |
Georges Garvarentz | Crew | Sound | Music |
Georges Tabet | Crew | Writing | Writer |
Janette Kronegger | Crew | Editing | Assistant Editor |
Marie-Madeleine Paris | Crew | Costume & Make-Up | Hairstylist |
Patrick Jamain | Crew | Directing | Second Assistant Director |
 Pierre Guffroy | Crew | Art | Art Direction |
 Sergio Gobbi | Crew | Directing | Director, Producer, Writer |
Silla Bettini | Crew | Directing | Assistant Director |
Ugo Santalucia | Crew | Production | Producer |
Wallace Collection | Crew | Sound | Music |
Mario Bua | Crew | Sound | Orchestrator |
Gabriel Rongier | Crew | Editing | Editor |
Valérie Dijon | Crew | Costume & Make-Up | Makeup Artist |
Bernard Quatrehomme | Crew | Directing | First Assistant Director |
Maurice Coignard | Crew | Sound | Orchestrator |
 Alain Noury | Cast | Actor | Dino |
 Alberto Farnese | Cast | Actor | L'ami d'Alain |
 Charles Aznavour | Cast | Actor | Inspector Leroy |
 Dominique Marcas | Cast | Actress | Une voisine |
 Édith Scob | Cast | Actress | Sylvie |
Elisabetta Fanti | Cast | Actress | |
 Françoise Brion | Cast | Actress | Jacqueline |
 Guy Marly | Cast | Actor | Le chimiste |
 Helmut Berger | Cast | Actor | Alain Revent |
 Henri Crémieux | Cast | Actor | Le professeur Richet - un psychiatre |
 Howard Vernon | Cast | Actor | Maître Wasserman - l'administrateur de biens |
 Jacques Castelot | Cast | Actor | |
 Marc Cassot | Cast | Actor | Vincent |
 Michel Peyrelon | Cast | Actor | Le maître d'hôtel |
 Monique Mélinand | Cast | Actress | La voisine témoin |
 Paul Bonifas | Cast | Actor | Le portier de l'hôtel |
Paul Pavel | Cast | Actor | Le livreur |
 Robert Berri | Cast | Actor | Le concierge d'Alain |
 Robert le Béal | Cast | Actor | Le juge |
 Roger Coggio | Cast | Actor | Alain Revent (voice) |
 Serge Berry | Cast | Actor | |
 Virna Lisi | Cast | Actress | Nathalie |
 Yves Brainville | Cast | Actor | Le commissaire Dedru |
 Nicole Gobbi | Cast | Actress | |
Jacques Chevalier | Cast | Actor | Un inspecteur de police |
 André Chanu | Cast | Actor | Le docteur Schwartz |
Jocelyne Jeanssen | Cast | ||
Georges Berthomieu | Cast | Actor | Le toxicologue |
Robert Audran | Cast | ||
| Person | Type | Job | Role(s) |
