 Michel SimonPrincipal Commissioner Henri Dominique | Principal Commissioner Henri Dominique |
 Suzy PrimLola | Lola |
 Pascale RobertsBetty | Betty |
 Lucienne Le MarchandMarthe | Marthe |
| CChristine LangierBarmaid | Barmaid |
| HHenri San JuanMarco | Marco |
 Fernand SardouPolitician | Politician |
 Louis ArbessierPresident of the Court | President of the Court |
| GGérard BuhrGérard Dominique | Gérard Dominique |
 Pierre GrassetInspector Théo | Inspector Théo |
 Albert DinanPino, boss of the Marabout | Pino, boss of the Marabout |
| MMauricetDirector of P.J. | Director of P.J. |
| BBernard AndrieuNot listed | Not listed |
| CClaude LaryNot listed | Not listed |
 Jack AryInspector | Inspector |
| AAndré PhilipMaître Monnerot, defense lawyer | Maître Monnerot, defense lawyer |
| JJean BalthasarNot listed | Not listed |
| RRaymoneAunt Louise | Aunt Louise |
 René BergeronInspector | Inspector |
 Émile RiandreysUncle Charles | Uncle Charles |
| SSam EndelNot listed | Not listed |
| HHugues WannerAdvocate General | Advocate General |
 Michel FlammeAccused pimp | Accused pimp |
| JJ.L. ThevenetNot listed | Not listed |
 Michel JourdanFred Lafont | Fred Lafont |
 Marcel LupoviciFrancis Bianconi aka Le Gitan | Francis Bianconi aka Le Gitan |
 Françoise FabianCountess (uncredited) | Countess (uncredited) |