The film is set in Naples. Two doubles, an American and a Neapolitan, alternate visiting Zaza, the maid of a magazine company, deceived by their resemblance.
| Directing | Giorgio Simonelli | Director |
| Sound | Ulisse Siciliani | Original Music Composer |
| Sound | Giuseppe Cioffi | Original Music Composer |
| Writing | Vittorio Metz | Screenplay |
| Writing | Fulvio Palmieri | Screenplay |
| Writing | Giorgio Simonelli | Screenplay |
| Writing | Aldo Vergano | Screenplay |
| Writing | Mario Amendola | Story |
| Writing | Vincenzo Talarico | Story |
| Writing | Francesco De Feo | Story |
| Camera | Renato del Frate | Director of Photography |
| Camera | Ugo Nudi | Camera Operator |
| Editing | Giuseppe Vari | Editor |
| Art | Virgilio Marchi | Production Design |
| Art | Mario Rappini | Set Decoration |
| Costume & Make-Up | Maria De Matteis | Costume Design |
| Directing | Aldo Rubens | First Assistant Director |
| Costume & Make-Up | Giuseppe Annunziata | Makeup Artist |
| Production | Ulisse Siciliani | Producer |
| Production | Fortunato Misiano | Producer |