Suffering from mental disorders, a detective is trapped by his own associate who compromises him in a heinous crime.
| Actor | Role |
|---|---|
 Louis SalouFrédéric Salou | Frédéric Salou |
 Claude GéniaSimone | Simone |
 André ValmyJacques Marchand | Jacques Marchand |
| SSylviane AladinNot listed | Not listed |
 André BervilMario | Mario |
| JJacqueline CarrelNot listed | Not listed |
| FFrançoise ChristopheNelly | Nelly |
 Jean DebucourtPierre Morel | Pierre Morel |
 Denise KernyNot listed | Not listed |
 Pierre PalauSimone's father | Simone's father |
 Michèle PhilippeDora | Dora |
 Jean VilarInspector Dominique | Inspector Dominique |