| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arrigo Colombo | Crew | Production | Producer |
Claude Hauser | Crew | Production | Production Manager |
 Georges Simenon | Crew | Writing | Novel |
Giorgio Papi | Crew | Production | Producer |
Henri Taverna | Crew | Editing | Editor |
Henri Tiquet | Crew | Camera | Assistant Camera |
 Jean Delannoy | Crew | Directing | Director, Adaptation |
Jean-Paul Guibert | Crew | Production | Producer |
Joseph Drimal | Crew | Directing | Second Assistant Director |
Louis Page | Crew | Crew | Cinematography |
 Michel Audiard | Crew | Writing | Adaptation, Dialogue, Writer |
 Paul Misraki | Crew | Sound | Music |
René Renoux | Crew | Art | Production Design |
Rodolphe-Maurice Arlaud | Crew | Writing | Adaptation |
Marcel Bordenave | Crew | Costume & Make-Up | Makeup Artist |
Marcel Dolé | Crew | Camera | Still Photographer |
Yvonne Gasperina | Crew | Costume & Make-Up | Assistant Makeup Artist |
Éric Geiger | Crew | Production | Unit Production Manager |
 Annie Girardot | Cast | Actress | Yvonne Maurin |
 Charles Bouillaud | Cast | Actor | L'inspecteur suppléant Monclare |
 Denise Clair | Cast | La concierge | |
 Dominique Davray | Cast | Actress | Marguerite Juteau |
 Dominique Page | Cast | La bonne des Maurin | |
 Georges Lannes | Cast | Actor | Maitre Lieutard |
 Georges Lycan | Cast | Actor | Un inspecteur |
Germaine Michel | Cast | La voisine de Marguerite Juteau | |
 Guy Decomble | Cast | Actor | Mazet |
 Gérard Séty | Cast | Actor | Georges "Jojo" Vacher |
 Hubert de Lapparent | Cast | Actor | Le juge Comeliau |
 Jacques Ciron | Cast | Actor | Le réceptionniste de l'Hotel de l'Etoile |
 Jacques Hilling | Cast | Actor | Le médecin légiste |
 Jean Debucourt | Cast | Actor | Camille Guimard |
 Jean Desailly | Cast | Actor | Marcel Maurin |
 Jean Gabin | Cast | Actor | Commissaire Maigret |
 Jean Tissier | Cast | Actor | Le journaliste de Paris-Presse |
 Jeanne Boitel | Cast | Actress | Louise Maigret |
 Lino Ventura | Cast | Actor | Inspecteur Torrence |
 Louis Bugette | Cast | Actor | Simoni |
 Lucienne Bogaert | Cast | Actress | Veuve Adèle Maurin |
 Madeleine Barbulée | Cast | Actress | La cliente de la boucherie |
 Maurice Sarfati | Cast | Actor | L'inspecteur Lapointe |
Michèle Nadal | Cast | Actress | Une journaliste |
 Nadine Basile | Cast | Actress | L'assistante de police |
 Olivier Hussenot | Cast | Actor | Lagrume |
 Paulette Dubost | Cast | Actress | Mauricette Barberot |
 Pierre-Louis | Cast | Actor | Rougin - un journaliste |
 Raphaël Patorni | Cast | Actor | Janvier |
 André Valmy | Cast | Actor | L'inspecteur Lucas |
 Jean-Louis Le Goff | Cast | Actor | Goudier |
Amédée | Cast | L'inspecteur Alfonsi | |
| Person | Type | Job | Role(s) |
