For a misunderstanding Franco and Ciccio, two Sicilian immigrants of very limited intellectual faculties, are enrolled in the police force in New York.
| Directing | Giorgio Simonelli | Director |
| Editing | Franco Fraticelli | Editor |
| Camera | Juan Ruiz Romero | Director of Photography |
| Production | Edmondo Amati | Producer |
| Sound | Piero Umiliani | Original Music Composer |
| Costume & Make-Up | Pierantonio Mecacci | Makeup Artist |
| Production | José Luis Jerez | Production Manager |
| Production | Mario Mariani | Production Manager |
| Writing | Amedeo Sollazzo | Screenplay |
| Art | Ramiro Gómez | Production Design |
| Art | Román Calatayud | Set Decoration |
| Writing | Marcello Ciorciolini | Screenplay |
| Writing | Bautista Lacasa Nebot | Screenplay |
| Art | Nedo Azzini | Set Decoration |
| Production | Agostino Pane | Unit Manager |
| Writing | Sandro Continenza | Screenplay |