A wealthy woman's yachting holiday with friends in the Mediterranean Sea takes an unexpected turn when she and one of the boat's crew are stranded on a desert island. Her capitalist beliefs and his communist convictions clash, but during their struggle to survive, social roles are reversed and heated passions come alive.
| Actor | Role |
|---|---|
 Giancarlo GianniniGennarino Carunchio | Gennarino Carunchio |
 Mariangela MelatoRaffaella Pavone Lanzetti | Raffaella Pavone Lanzetti |
 Riccardo SalvinoSignor Pavone Lanzetti | Signor Pavone Lanzetti |
 Isa DanieliAnna | Anna |
 Aldo Puglisiun collega di Gennarino | un collega di Gennarino |
 Anna MelitaUna conoscente di Raffaela | Una conoscente di Raffaela |
 Eros Pagniun giornalista di sinistra conoscente dei Pavone Lanzetti | un giornalista di sinistra conoscente dei Pavone Lanzetti |
 Vittorio FanfoniNot listed | Not listed |
 Lorenzo PianiNot listed | Not listed |
| GGiuseppe DuriniNot listed | Not listed |
| LLucrezia De DomizioNot listed | Not listed |
| LLuis SuárezNot listed | Not listed |