"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."
Nino Taranto
as Il Napoletano e Il Americano
Isa Barzizza
as Zazà
Guido Notari
as
Amedeo Trilli
Giuseppe Porelli
Agostino Salvietti
Giuseppe Pierozzi
Bruno Cantalamessa
Claudio Ermelli
Guido Morisi
Egisto Olivieri
Umberto Silvestri
Gioia Collei
Maria Pia Spini
Galeazzo Benti
Felice Minotti
Alfredo Salvatori
Francesco Rosi
as Domestico dell'Americano
Giorgio Simonelli
Director
Ulisse Siciliani
Original Music Composer
Giuseppe Cioffi
Vittorio Metz
Screenplay
Fulvio Palmieri
Aldo Vergano
Mario Amendola
Story
Vincenzo Talarico
Francesco De Feo
Renato del Frate
Director of Photography
Ugo Nudi
Camera Operator
Giuseppe Vari
Editor
Virgilio Marchi
Production Design
Mario Rappini
Set Decoration
Maria De Matteis
Costume Design
Aldo Rubens
First Assistant Director
Giuseppe Annunziata
Makeup Artist
Producer
Fortunato Misiano