Aldo, Vasco and "Smilzo" (Slim) are friends. They live with their parents and are training for boxing. But their real interest is in women. When casually Aldo meets Laura and falls for her. Will he succeed in winning her love?
| Actor | Role |
|---|---|
 Maurizio ArenaAldo Manca | Aldo Manca |
 Ingeborg SchönerLaura Tarantini | Laura Tarantini |
| GGeronimo MeynierSmilzo | Smilzo |
 Raffaele PisuVasco | Vasco |
 Franca RameDelia | Delia |
| EEdoardo Nevolail piccolo Leo | il piccolo Leo |
 Memmo CarotenutoOrazio, padre di Vasco | Orazio, padre di Vasco |
 Virgilio RientoAchille, padre di Aldo | Achille, padre di Aldo |
| LLeda Gloriamadre di Aldo | madre di Aldo |
 Giulio Battiferridirettore del night club Odeon | direttore del night club Odeon |
 Anna Camporimadre di Laura | madre di Laura |
 Valeria FabriziWanda | Wanda |
 Franco FantasiaNot listed | Not listed |
 Enzo FiermonteMichele, l'allenatore | Michele, l'allenatore |
 Lilly MantovaniNot listed | Not listed |
| GGiuliano ManciniNot listed | Not listed |
 Bud SpencerOscar | Oscar |
| FFederico TocciNot listed | Not listed |
 Marco TulliNot listed | Not listed |
| UUghetto BertucciNot listed | Not listed |
 Isabella BiaginiRosa | Rosa |