In Marseilles, in a house of correction reserved for teenagers, it is the young Patricia who, by its authority and its force, imposed herself on all her classmates.
| Actor | Role |
|---|---|
| VVéronique DayLaurence N. | Laurence N. |
| MMartine BougeonPatricia S. | Patricia S. |
 Éva IonescoIsabelle | Isabelle |
 Evelyne DassasPsychologist | Psychologist |
 Dominique WebbIllusionist | Illusionist |
| PPatricia LavidangeNot listed | Not listed |
 Alexandre FabreThe maniac | The maniac |
| JJacques NivelleNot listed | Not listed |
| TTania SoursevaNot listed | Not listed |
| GGeorges CachouxCaseille (uncredited) | Caseille (uncredited) |
| NNorbert CiretNorbert, Concierge / Butler (uncredited) | Norbert, Concierge / Butler (uncredited) |
 Gilbert ServienThug (uncredited) | Thug (uncredited) |