Beautiful gold-digger Sonia mistakes Antonio, a waiter in a Neapolitan hotel, for Arab Prince Bey of Agapur and makes an appointment with him for the following day in Capri, and Antonio goes there behind the backs of his wife and mother-in-law. A lucky series of circumstances actually does transform him into the prince of the island.
| Actor | Role |
|---|---|
 TotòAntonio De Fazio | Antonio De Fazio |
| GGianni AppeliusBubi di Primaporta | Bubi di Primaporta |
 Galeazzo BentiDodo della Baggina | Dodo della Baggina |
 Nerio BernardiOsvaldo | Osvaldo |
 Mario CastellaniAsdrubale Stinchi | Asdrubale Stinchi |
| PPina GalliniLa suocera | La suocera |
 Aldo GiuffrèOmar Bey Kahn di Agapur | Omar Bey Kahn di Agapur |
 Laura GoreLucia | Lucia |
 Alda ManginiEmanuela | Emanuela |
| NNino MarchettiGeremia | Geremia |
 Marisa MerliniLa baronesa von Krapfen | La baronesa von Krapfen |
 Yvonne SansonSonia Bulgarov | Sonia Bulgarov |
 Pietro TordiIl marito di Emanuela | Il marito di Emanuela |
 Toni UcciPupetto Turacciolo | Pupetto Turacciolo |
| UUgo MariCliente che si becca la Torta in Faccia (uncredited) | Cliente che si becca la Torta in Faccia (uncredited) |
 Aristide CatoniHotel Receptionist (uncredited) | Hotel Receptionist (uncredited) |