| Person | Type | Job | Role(s) |
|---|---|---|---|
 Amato Garbini | Crew | Costume & Make-Up | Makeup Artist |
 Andrea Crisanti | Crew | Art | Production Design |
Angelo Tiberti | Crew | Camera | Key Grip |
Antonio Sarno | Crew | Production | Unit Manager |
 Francesco Rosi | Crew | Directing | Director, Story, Screenplay |
 Franco Cristaldi | Crew | Production | Producer |
Gabriella Borzelli | Crew | Costume & Make-Up | Hairstylist |
Gianni Arduini | Crew | Directing | First Assistant Director |
Gianni D'Amico | Crew | Sound | Sound Mixer |
Giovanni Fiore Coltellacci | Crew | Camera | Assistant Camera |
Lino Iannuzzi | Crew | Writing | Screenplay |
Mico Galdieri | Crew | Directing | Second Assistant Director |
 Pasqualino De Santis | Crew | Camera | Director of Photography |
 Piero Piccioni | Crew | Sound | Original Music Composer |
 Ruggero Mastroianni | Crew | Editing | Editor |
 Stefano Patrizi | Crew | Editing | Assistant Editor |
 Tonino Guerra | Crew | Writing | Screenplay |
Franco Freda | Crew | Costume & Make-Up | Makeup Artist |
Marisa Crimi | Crew | Costume & Make-Up | Costume Design |
Ada Palombi | Crew | Costume & Make-Up | Hairstylist |
Mario Abussi | Crew | Production | Production Assistant |
Ferdinando Pescetelli | Crew | Sound | Sound |
Fiorangelo Plocco | Crew | Lighting | Gaffer |
Mario Cimini | Crew | Camera | Camera Operator |
Ezio Bellani | Crew | Camera | Assistant Camera |
Franca Invernizzi | Crew | Directing | Script Supervisor |
Lea Mazzocchi | Crew | Editing | Assistant Editor |
 Gino Millozza | Crew | Production | Production Manager |
Luciana Fortini | Crew | Costume & Make-Up | Costume Design |
Sergio Strizzi | Crew | Camera | Still Photographer |
Vittorio Bucci | Crew | Production | Production Secretary |
Gian Carlo Ciotti | Crew | Production | Administration |
Gioacchino Tedeschi | Crew | Camera | Assistant Camera |
 Charles Cioffi | Cast | Actor | Vito Genovese |
Dino Curcio | Cast | Actor | Don Ciccio |
 Edmond O'Brien | Cast | Actor | Commissioner Harry J. Anslinger |
 Gian Maria Volonté | Cast | Actor | Charles 'Lucky' Luciano |
 Jacques Monod | Cast | Actor | French Commissioner |
 Karin Petersen | Cast | Actress | Igea Lissoni |
 Larry Gates | Cast | Actor | Judge Herlands |
 Magda Konopka | Cast | Actress | Contessa |
 Rod Steiger | Cast | Actor | Gene Giannini |
 Silverio Blasi | Cast | Italian Captain | |
 Vincent Gardenia | Cast | Actor | Colonel Charles Poletti |
Charles Siragusa | Cast | Himself | |
 Aldo De Martino | Cast | (uncredited) | |
| Person | Type | Job | Role(s) |
