People who take part in a telephone radio quiz get a golden fish as first prize and a silver bikini as second one.
| Actor | Role |
|---|---|
 Marisa MerliniNot listed | Not listed |
 Maria Grazia Buccellasignora Marcella Bordoni | signora Marcella Bordoni |
 Franca Tamantinipresentatrice alla radio di Portofino | presentatrice alla radio di Portofino |
 Rossella ComoGabriella | Gabriella |
 Vicky LudovisiMarisa | Marisa |
 Carlo Croccolohimself | himself |
 Tiberio MurgiaCamillo Bordoni | Camillo Bordoni |
 Enrico ViarisioCardelli, il notaio a Portofino | Cardelli, il notaio a Portofino |
 Mario Carotenutocommendator Orazio Maria Stucchetti | commendator Orazio Maria Stucchetti |
 Nino TarantoVincenzo, il padre in attesa | Vincenzo, il padre in attesa |
 Peppino Di Caprihimself | himself |
| TToni Cucchiarahimself | himself |
 Nico Fidencohimself | himself |
| GGuidonehimself | himself |
 Little Tonyhimself | himself |