Armando Andreoli, a well-known engineer of almost 80 years, is approached by Federica, an assistant nurse who then invites him to his hotel room. In the morning, Federica's boyfriend arrives in the room, suspecting a relationship that has never existed.
| Actor | Role |
|---|---|
 Alberto SordiArmando Andreoli | Armando Andreoli |
 Valeria MariniFederica Pescatore | Federica Pescatore |
 Franca FaldiniAlessandra Andreoli | Alessandra Andreoli |
 Franco FantasiaDott. Attilio Velardi | Dott. Attilio Velardi |
 Enzo RobuttiFederica's father | Federica's father |
 Enrico BertolinoGiorgio | Giorgio |
| MMichel LeroyNot listed | Not listed |
 Gisella SofioNun at hospital | Nun at hospital |
| JJulio Cesar De La FuenteGiorgio's father | Giorgio's father |
 Gloria CoccoFederica's mother | Federica's mother |
| MMargherita SimoniContessa Galbiati | Contessa Galbiati |
| AAlicia VaccariniMercedes | Mercedes |
| LLiliana GimenezGloria | Gloria |