The young Luca grew up with his uncle Augusto, owner of a shoe store. The latter, determined to "start" the clumsy nephew sexually, takes him to a brothel in Florence and throws him into the arms of the stupendous prostitute Nerina, of whom Luca falls hopelessly in love.
| Actor | Role |
|---|---|
 Senta BergerNerina | Nerina |
 Bruno ValenteLuca | Luca |
 Enrico Maria SalernoAugusto | Augusto |
 Rena NiehausSimona | Simona |
 Stefano Satta FloresSergio, il camionista | Sergio, il camionista |
 Macha MérilClelia, la madre di Simona | Clelia, la madre di Simona |
 Stefano AmatoCiccia | Ciccia |
 Antiniska NemourIlaria (as Antinesca Nemour) | Ilaria (as Antinesca Nemour) |
| FFilippo De GaraIl compagno di Nerina | Il compagno di Nerina |
| DDina CastigliegoNot listed | Not listed |
| RRina CentaLa vecchia signora di Firenze | La vecchia signora di Firenze |
| TTino PolenghiNot listed | Not listed |
| GGiuliana RiveraNot listed | Not listed |
| RRosanna RovereNot listed | Not listed |
| RRoberto FerliccaNot listed | Not listed |
| GGiannantonio CampiNot listed | Not listed |
| AAnnibale PapettiCliente del bordello (uncredited) | Cliente del bordello (uncredited) |
| DDante TrazziCliente del bordello (uncredited) | Cliente del bordello (uncredited) |