| Person | Type | Job | Role(s) |
|---|---|---|---|
 Christian Gaudin | Crew | Editing | Editor |
 Costa-Gavras | Crew | Directing | Director, Writer |
Jean Nény | Crew | Sound | Sound Re-Recording Mixer |
Jean Tournier | Crew | Camera | Director of Photography |
Julien Derode | Crew | Production | Producer |
 Michel Magne | Crew | Sound | Original Music Composer |
Rino Mondellini | Crew | Art | Art Direction |
 Sébastien Japrisot | Crew | Writing | Novel |
 Albert Michel | Cast | Actor | Le patron du bistrot (uncredited) |
 André Weber | Cast | Actor | Le poivrot arrêté, dans les locaux de la Police Judiciaire (uncredited) |
 Bernadette Lafont | Cast | Actress | La sœur "mauvaise langue" de Georgette |
 Catherine Allégret | Cast | Actress | Bambi |
 Charles Denner | Cast | Actor | Bob, l'amant sincère de Georgette Thomas |
 Charles Gérard | Cast | Actor | Un travesti près du kiosque à journaux (uncredited) |
 Charles Millot | Cast | Actor | Le médecin légiste (uncredited) |
 Christian Marin | Cast | Actor | Le beau-frère de Georgette, mari soumis |
 Claude Berri | Cast | Actor | Un porteur à la gare de Lyon (uncredited) |
 Claude Dauphin | Cast | Actor | Le frère d'Eliane (uncredited) |
 Claude Mann | Cast | Actor | Jean-Loup Gabert, inspecteur stagière de Grazzi |
 Clément Harari | Cast | Actor | Une "femme" au bistrot (uncredited) |
 Daniel Gélin | Cast | Actor | Le vétérinaire titulaire, chargé de cours (uncredited) |
 Denise Péron | Cast | Actress | Une pocharde (uncredited) |
Dominique Bernard | Cast | Actor | Un employé de la SNCF (uncredited) |
 Dominique Zardi | Cast | Actor | Un inspecteur au bistrot (uncredited) |
 Edmond Ardisson | Cast | Actor | Le policier marseillais (voice) (uncredited) |
 Françoise Arnoul | Cast | Actress | Une infirmière à l'école vétérinaire (uncredited) |
 Georges Géret | Cast | Actor | Un agent de police (uncredited) |
 Jacqueline Staup | Cast | Actress | La supérieure hiérarchique de Bambi (uncredited) |
 Jacques Dynam | Cast | Actor | Un inspecteur, sous les ordres de Tarquin |
 Jacques Perrin | Cast | Actor | Daniel |
 Jean Droze | Cast | Actor | Une personne auditionnée dans les locaux de la Police Judiciaire (uncredited) |
 Jean Lefebvre | Cast | Actor | (uncredited) |
 Jean-Louis Trintignant | Cast | Actor | Éric Grandin, étudiant vétérinaire |
 Jenny Orléans | Cast | La sœur de René Cabourg | |
 José Artur | Cast | Actor | Un journaliste (uncredited) |
 Josée Steiner | Cast | Actress | L'employée de l'hôtel Arizona (uncredited) |
 Lionel Vitrant | Cast | Actor | Un inspecteur (uncredited) |
 Marcel Bozzuffi | Cast | Actor | Un agent de police (uncredited) |
 Maurice Auzel | Cast | Actor | Un inspecteur au café (uncredited) |
 Maurice Chevit | Cast | Actor | Un inspecteur, sous les ordres de Tarquin |
 Michel Piccoli | Cast | Actor | René Cabourg, l'employé besogneux (Victime #2) |
 Monique Chaumette | Cast | Actress | Mme Rivolani |
 Nadine Alari | Cast | Actress | Mme Grazzi |
 Nicole Desailly | Cast | Actress | La concierge d'Eliane (uncredited) |
 Pascale Roberts | Cast | Actress | Georgette Thomas, assassinée (Victime #1) |
 Paul Bernard | Cast | Actor | (uncredited) |
Paul Pavel | Cast | Actor | M. Rivolani |
 Philippe Rouleau | Cast | Actor | L'inspecteur Antoine |
 Pierre Mondy | Cast | Actor | Le commissaire Tarquin |
 Serge Marquand | Cast | Actor | Un amant de Georgette (uncredited) |
Serge Rousseau | Cast | Actor | Le contrôleur du train phocéen de nuit |
 Simone Signoret | Cast | Actress | Eliane Darès, l'actrice éventée (Victime #4) |
 Tanya Lopert | Cast | Actress | Mme Garaudy |
 William Sabatier | Cast | Actor | Le commissaire Tuffi (uncredited) |
 Yves Montand | Cast | Actor | L'inspecteur Grazzi |
 André Valmy | Cast | Actor | Un inspecteur, sous les ordres de Tarquin |
Jean-Pierre Périer-Pillu | Cast | (uncredited) | |
 Lucien Desagneaux | Cast | Actor | L'homme qui embrasse une femme à la brasserie (uncredited) |
 Robert Sabatier | Cast | Actor | (uncredited) |
| Person | Type | Job | Role(s) |
