Luigi, who is engaged to a rich bourgeois, Cinzia, meets his lovely cousin, Sonia, at the cremation of their grandmother. Six months later, Sonia moves in and enters his life, and gradually succeeds in seducing him. Sonia upsets his life. Now, Cinzia is jealous but he can not resist the seductress.
| Actor | Role |
|---|---|
 Vittoria BelvedereSonia | Sonia |
| RRon NummiLuigi Muscati | Luigi Muscati |
 Simona BorioniCinzia | Cinzia |
 Riccardo Parisio Perrottifather of Luigi (as Riccardo P. Perrotti) | father of Luigi (as Riccardo P. Perrotti) |
| VViviana PolicNot listed | Not listed |
 Barbara CavallariFrancesca | Francesca |
 Serena BennatoGiuliana | Giuliana |
 Antonio FerranteNot listed | Not listed |
| AAlessia FranchiniNot listed | Not listed |
 Gabriella BarbutiNot listed | Not listed |
 Hal Yamanouchi(as Hal Yamanoughi) | (as Hal Yamanoughi) |
 Andrea RoncatoDr. Fabbri | Dr. Fabbri |
 Serena GrandiMarcella Fabbri | Marcella Fabbri |
| VValentina CecchiniNot listed | Not listed |
| FFranco AndruccioliNot listed | Not listed |
| AAntonio BombiniNot listed | Not listed |
| GGabriella SolfriniNot listed | Not listed |
| SSalvatore Emilio(as Emilio Salvatore) | (as Emilio Salvatore) |
| EEugenio BrigidiNot listed | Not listed |
| LLorenzo SetteNot listed | Not listed |