 Georges MarchalDidier Guéret | Didier Guéret |
| FFrançoise ChristopheAlberte Guéret | Alberte Guéret |
 Nicole CourcelLéone Fassler | Léone Fassler |
| SSuzanne DehellyClémence Guéret | Clémence Guéret |
 Jacques CastelotCommissioner Lotte | Commissioner Lotte |
 Louis SeignerLanzel | Lanzel |
 Jacques MorelVan Goffin | Van Goffin |
 René BlancardJaltex | Jaltex |
| MMicheline GaryCharlotte | Charlotte |
 Pierre SergeolInspector Richard | Inspector Richard |
 Olivier HussenotDoctor Dufour | Doctor Dufour |
| PPaul AzaïsLulu | Lulu |
| VViviane GossetNot listed | Not listed |
 Maurice JacquemontAn inspector | An inspector |
| RRaymond RaynalAn inspector | An inspector |
 Jean-Jacques LécotNot listed | Not listed |
 Raphaël PatorniAn inspector | An inspector |
| AAnnie NoëlAnna | Anna |
| JJean GobinNot listed | Not listed |
 Margo LionMrs. Platz, the patroness of the cafe | Mrs. Platz, the patroness of the cafe |
 Jacques DynamInspector Sennac | Inspector Sennac |
| RRobert Allan(uncredited) | (uncredited) |
 Jean-Marie Bon(uncredited) | (uncredited) |
 Daniel CeccaldiFred, Charlotte's friend (uncredited) | Fred, Charlotte's friend (uncredited) |
 Henri Coutet(uncredited) | (uncredited) |
 Hubert Deschamps(uncredited) | (uncredited) |
| MMaurice Dorléac(uncredited) | (uncredited) |
| WWanda Kérien(uncredited) | (uncredited) |
 Denise Kerny(uncredited) | (uncredited) |
 Robert Moor(uncredited) | (uncredited) |