While casing a bank he intends to rob, gangster Leo discovers one of the clerks, Antonio, is his exact double. He kidnaps Antonio and robs the bank, posing as Antonio. But Leo hadn't accounted for the involvement of Antonio's wife, Dorothy.
| Directing | Mario Soldati | Director |
| Editing | Douglas Robertson | Editor |
| Sound | Nino Rota | Original Music Composer |
| Costume & Make-Up | Piero Gherardi | Costume Design |
| Production | Carlo Ponti | Producer |
| Camera | Mario Bava | Director of Photography |
| Costume & Make-Up | Otello Fava | Makeup Artist |
| Production | Bruno Todini | Production Manager |
| Writing | Steno | Screenplay |
| Writing | Mario Monicelli | Screenplay |
| Writing | Mario Soldati | Screenplay |
| Writing | Peppino De Filippo | Theatre Play |
| Crew | Mario Bava | Special Effects |
| Sound | Franco Ferrara | Conductor |
| Directing | Marino Girolami | First Assistant Director |
| Art | Piero Gherardi | Production Design |
| Camera | Corrado Bartoloni | Camera Operator |
| Camera | Ubaldo Terzano | Assistant Camera |
| Production | Nicolò Pomilia | Unit Manager |
| Sound | Ennio Sensi | Sound |
| Sound | Aldo Calpini | Sound |
| Art | Giovanni Passera | Assistant Production Design |
| Art | Guglielmo Modestini | Assistant Production Design |
| Production | Mentore D'Offizi | Production Assistant |
| Production | Enrico D'Offizi | Production Assistant |
| Costume & Make-Up | Franco Freda | Assistant Makeup Artist |
| Editing | Franco Fraticelli | Assistant Editor |