| Actor | Role |
|---|---|
| FFabio TraversaLeo Mariani | Leo Mariani |
 Benedetta BuccellatoRoberta Balsamo | Roberta Balsamo |
| EEnrico Maria SalernoRenzo Mariani | Renzo Mariani |
| LLuciano De CrescenzoPapà di Roberta | Papà di Roberta |
 Gabriele FerzettiIngegnere | Ingegnere |
 Luciano SalceIl professore | Il professore |
| RRenzo ArboreNot listed | Not listed |
 Massimo LopezMarcello | Marcello |
 Mario MarencoNot listed | Not listed |
| AArmando BranciaNot listed | Not listed |
 Nerina MontagnaniNot listed | Not listed |
| CCarlo AllegriniNot listed | Not listed |
 Armando BandiniNot listed | Not listed |
 Aurora CancianNot listed | Not listed |
| FFranca De StratisNot listed | Not listed |
 Roberto Della CasaNot listed | Not listed |
| MMicaela GiustinianiNot listed | Not listed |
 Guido SaglioccaNot listed | Not listed |
 Margherita SestitoNot listed | Not listed |