 Bernard BlierCommissioner François Basquier | Commissioner François Basquier |
 Suzy PrimMrs. Olga, pawnbroker | Mrs. Olga, pawnbroker |
 Andrée ClémentArlette Génod | Arlette Génod |
 Yves RobertInspector Paulhan | Inspector Paulhan |
 René BlancardDoctor Corbier | Doctor Corbier |
 Guy DecombleEmile Kortenwirth | Emile Kortenwirth |
 Véronique DeschampsYvonne Chouquet, Courvoisier's employee | Yvonne Chouquet, Courvoisier's employee |
 Arthur DevèreMr. Forgeat | Mr. Forgeat |
 Paul FrankeurMr. Mallet | Mr. Mallet |
 Julien VerdierMr. Guy Couvoisier, jeweler | Mr. Guy Couvoisier, jeweler |
 Laurence BadieGeorgette, maid | Georgette, maid |
 Madeleine BarbuléeMrs. Durbain, concierge | Mrs. Durbain, concierge |
 Daniel CauchyPierrot | Pierrot |
 Dominique DavrayMrs. Fernande, seamstress | Mrs. Fernande, seamstress |
 Christian FourcadeLittle Jacky | Little Jacky |
 René HavardInspector | Inspector |
 Albert MichelPrison controller | Prison controller |
 France RocheAlice Tissot | Alice Tissot |
 Michel SalinaNot listed | Not listed |
 Paul VilléMarcel, François' brother-in-law | Marcel, François' brother-in-law |
| DDominique Page(uncredited) | (uncredited) |
| MMaurice DervilleAgent (uncredited) | Agent (uncredited) |
| RRobert Pouget(uncredited) | (uncredited) |
 Luc AndrieuxFilm studio manager (uncredited) | Film studio manager (uncredited) |
 René BerthierVicar (uncredited) | Vicar (uncredited) |
| GGérard BuhrYoung at the pinball machine (uncredited) | Young at the pinball machine (uncredited) |
 Émile GenevoisMechanic (uncredited) | Mechanic (uncredited) |
 Gabriel GobinAgent Faurel (uncredited) | Agent Faurel (uncredited) |
 François JouxInspector Calmain (uncredited) | Inspector Calmain (uncredited) |
 Robert Le BéalInspector (uncredited) | Inspector (uncredited) |
