When Olga Roli returns to her birthplace after a nervous breakdown, it quickly becomes much worse for her. Anonymous, threatening phone calls to deal with her as Olga O, her stage name from her time working in a local strip club, soon followed by a near miss with a murderous motorcyclist.
| Actor | Role |
|---|---|
 Serena GrandiOlga Roli | Olga Roli |
 Stéphane Ferraraispettore Michael Manning | ispettore Michael Manning |
 Florinda BolkanSheila Altman | Sheila Altman |
 Daniela PoggiIsabel | Isabel |
 David BrandonPaolo Roli | Paolo Roli |
 Dobromir Manevdott. Carlo Ferranti | dott. Carlo Ferranti |
 Fabrizia FlandersNot listed | Not listed |
| SSlava RachevaNot listed | Not listed |
 Letizia RacoNot listed | Not listed |
 Anna Maria PetrovaNot listed | Not listed |