| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bertrand Blier | Crew | Writing | Screenplay, Director |
 Claudine Merlin | Crew | Editing | Editor |
 Franz Schubert | Crew | Sound | Original Music Composer |
Jacques Plante | Crew | Sound | Original Music Composer |
 Jean Penzer | Crew | Camera | Director of Photography |
 Jean-Pierre Ruh | Crew | Sound | Sound Engineer |
 Johannes Brahms | Crew | Sound | Original Music Composer |
Michèle Cerf | Crew | Costume & Make-Up | Costume Design |
 Philippe Sarde | Crew | Sound | Original Music Composer |
Théobald Meurisse | Crew | Art | Set Decoration |
Claude Plouganou | Crew | Sound | Sound Re-Recording Mixer |
 Bernard Blier | Cast | Actor | Inspecteur Morvandieu |
 Bernard Crombey | Cast | Actor | Le médecin |
 Carole Bouquet | Cast | Actress | La jeune fille |
 Denise Gence | Cast | Actress | L'hôtesse au château |
Eric Vasberg | Cast | Actor | Inspecteur Cavana |
 Geneviève Page | Cast | Actress | Geneviève Léonard |
 Gérard Depardieu | Cast | Actor | Alphonse Tram |
 Jean Benguigui | Cast | Actor | Le tueur à gages |
 Jean Carmet | Cast | Actor | Le vieil assassin |
 Jean Rougerie | Cast | Actor | Eugène Léonard |
 Liliane Rovère | Cast | Actress | Josyane |
 Marco Perrin | Cast | Actor | L'homme dérangé en pleine nuit |
 Maurice Travail | Cast | Actor | Le garde du terrain vague |
 Michel Fortin | Cast | Actor | Le locataire musicien |
 Michel Serrault | Cast | Actor | Le comptable |
 Nicole Desailly | Cast | Actress | La femme divorcée |
 Pierre Frag | Cast | Actor | L'homme divorcé |
 Roger Riffard | Cast | Actor | Le garde de la tour |
| Person | Type | Job | Role(s) |
