| Person | Type | Job | Role(s) |
|---|---|---|---|
 Hervé Bromberger | Crew | Directing | Director |
Jacques Rémy | Crew | Writing | Screenplay |
 André Carnège | Cast | Le directeur de la Police Judiciaire | |
 André Wasley | Cast | Actor | (uncredited) |
 Camille Guérini | Cast | Actor | Le commissaire Husson - de la Mondaine |
 Charles Vissières | Cast | Actor | 'Grand-père', l'expert graphologue |
 Colette Régis | Cast | Actress | Mme Prévost, la mère de la jeune disparue |
 Danielle Godet | Cast | Actress | Madeleine, la secrétaire du commissaire Basquier |
 Dominique Davray | Cast | Actress | Un prostituée (uncredited) |
 Dora Doll | Cast | Actress | Dora Bourbon, une victime du sadique |
Eliane Monceau | Cast | Mme de Sannois, une toxicomane | |
 Gabriel Gobin | Cast | Actor | Un ouvrier (uncredited) |
 Géo Forster | Cast | Actor | Jean, l'employé du salon de coiffure (uncredited) |
Georges Montant | Cast | Actor | (uncredited) |
 Georges Sellier | Cast | Actor | Monsieur Prévost |
 Gérard Buhr | Cast | Actor | (uncredited) |
 Jacques Harden | Cast | Actor | Un employé de l'identité judiciaire (uncredited) |
 Jean Debucourt | Cast | Actor | Maître Berthet, avocat |
 Jean-François Calvé | Cast | Actor | Le secrétaire de Maître Berthet (uncredited) |
 Jean-Paul Moulinot | Cast | Actor | Un inspecteur (uncredited) |
 Louis Bugette | Cast | Actor | L'inspecteur qui se fait engueuler par le patron (uncredited) |
Louis Lalanne | Cast | Actor | (uncredited) |
 Léon Larive | Cast | Actor | Un client (uncredited) |
 Marthe Mercadier | Cast | Actress | Rose Muchet, une prostituée |
 Max Révol | Cast | Actor | Gégène, le vieux voyou écroué |
Michel Salina | Cast | Un interne (uncredited) | |
 Micheline Rolla | Cast | (uncredited) | |
Nicole Cezanne | Cast | Denise Prévost, la jeune fugueuse | |
 Odette Barencey | Cast | Actress | La concierge chargée des fouilles corporelles |
Pierre Ferval | Cast | Le serveur de l'auberge (uncredited) | |
 Raymond Souplex | Cast | Actor | Le commissaire Basquier |
 Renaud Mary | Cast | Actor | Maurice Petrosino, un suspect |
 René-Jean Chauffard | Cast | Actor | Binet, le chimiste de la Police Judiciaire |
Robert Balpo | Cast | Actor | Le cafetier (uncredited) |
 Robert Berri | Cast | Actor | L'inspecteur Paulan |
Joé Davray | Cast | Un interne (uncredited) | |
Jean Brunel | Cast | (uncredited) | |
René Lebrun | Cast | (uncredited) | |
 Raoul Marco | Cast | Actor | Le docteur Martin, le médecin légiste |
André Darnay | Cast | Le juge d'instruction (uncredited) | |
Luc Barney | Cast | Actor | L'inspecteur Mauduit |
Richard Flagey | Cast | (uncredited) | |
Célia Cortez | Cast | (uncredited) | |
Max Tréjean | Cast | (uncredited) | |
Jacques Courtin | Cast | Un inspecteur (uncredited) | |
Pierre Réal | Cast | (uncredited) | |
Evelyn Nattier | Cast | (uncredited) | |
| Person | Type | Job | Role(s) |
