| Person | Type | Job | Role(s) |
|---|---|---|---|
 Bernard Farrel | Crew | Directing | Assistant Director |
Bruno Micheli | Crew | Editing | Assistant Editor |
 Carlo Rustichelli | Crew | Sound | Original Music Composer |
Emilio Ruiz del Río | Crew | Art | Set Decoration |
 Enzo Bulgarelli | Crew | Art | Production Design, Art Direction, Costume Design |
Erico Menczer | Crew | Camera | Director of Photography |
Francesco Cinieri | Crew | Directing | Assistant Director |
Guy Elmes | Crew | Writing | Writer |
 Harry Alan Towers | Crew | Writing | Dialogue, Producer |
 Jack London | Crew | Writing | Novel |
 Lucio Fulci | Crew | Directing | Director |
Ornella Micheli | Crew | Editing | Editor |
Pablo Ripoll | Crew | Camera | Director of Photography |
Piero Donati | Crew | Production | Production Manager |
Piero Regnoli | Crew | Writing | Writer |
Roberto Gianviti | Crew | Writing | Writer |
Thom Keyes | Crew | Writing | Writer |
Roberto Sbarigia | Crew | Directing | Assistant Director |
Guillaume Roux | Crew | Writing | Writer |
Tíbor Reves | Crew | Production | Production Manager |
Ennio Di Meo | Crew | Production | Unit Manager |
Victor Tourjansky | Crew | Directing | Assistant Director |
 Aldo Formisano | Cast | ||
 Angelo Boscariol | Cast | Actor | avventore del Saloon |
 Carla Mancini | Cast | Actress | prostituta |
 Carole André | Cast | Actress | Krista Oatley |
 Daniel Martín | Cast | Actor | Charlie |
 Daniele Dublino | Cast | Actor | Chester, scagnozzo di Smith |
 Fernando Rey | Cast | Actor | Father Oatley |
 Franco Nero | Cast | Actor | Jason Scott |
 John Bartha | Cast | Actor | Giubba rossa |
 John Steiner | Cast | Actor | Charles 'Beauty' Smith |
 Luigi Antonio Guerra | Cast | Actor | |
 Maurice Poli | Cast | Actor | Giubba rossa |
 Quinto Marziali | Cast | Actor | Man in Saloon (uncredited) |
 Raimund Harmstorf | Cast | Actor | Kurt |
 Rik Battaglia | Cast | Actor | Jim Hall, scagnozzo di Smith |
 Virna Lisi | Cast | Actress | Sister Evangelina |
 Tony Casale | Cast | ||
Decio Gabin | Cast | ||
 Mirko Baiocchi | Cast | Actor | suonatore del piano |
 Massimo Ciprari | Cast | Actor | |
Missaele | Cast | Actor | Mitsah |
 Romano Moraschini | Cast | Actor | Carter (uncredited) |
| Person | Type | Job | Role(s) |
