| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adrián Jaramillo | Crew | Costume & Make-Up | Makeup Artist |
Alberto Boccianti | Crew | Art | Production Design |
Alberto Marrama | Crew | Camera | Assistant Camera |
Alvaro Orsini | Crew | Sound | Boom Operator |
Antonio Macasoli | Crew | Camera | Director of Photography |
Armando Grilli | Crew | Crew | Special Effects |
Arrigo Colombo | Crew | Production | Producer |
Augusto Caminito | Crew | Writing | Screenplay, Story |
 Bruno Nicolai | Crew | Sound | Conductor |
Carlo Fiore | Crew | Camera | Camera Operator |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Federico Canudas | Crew | Directing | First Assistant Director |
Franco Cuccu | Crew | Production | Production Secretary |
Giorgio Desideri | Crew | Costume & Make-Up | Costume Design |
Giorgio Papi | Crew | Production | Producer |
Giorgio Pes | Crew | Art | Set Decoration |
 Giuliano Montaldo | Crew | Directing | Director |
Giuseppe Gatti | Crew | Camera | Assistant Camera |
Juan Alberto Soler | Crew | Art | Set Decoration |
Lucio Trentini | Crew | Production | Unit Manager |
Marcello Coscia | Crew | Writing | Screenplay |
 Marcello Fondato | Crew | Writing | Screenplay |
Mario Van Riel | Crew | Costume & Make-Up | Makeup Artist |
 Massimo Dallamano | Crew | Production | Line Producer |
Mino Roli | Crew | Writing | Screenplay, Story |
 Nino Baragli | Crew | Editing | Editor |
 Paolo Bianchini | Crew | Writing | Story |
Roberto Velocchio | Crew | Art | Assistant Production Design |
 José Antonio de la Loma | Crew | Writing | Screenplay |
Luciano Vito | Crew | Costume & Make-Up | Hairstylist |
Raul Araujo | Crew | Production | Unit Manager |
José Malla | Crew | Production | Production Secretary |
Umberto Picistrelli | Crew | Sound | Sound |
Zeljko Kunkera | Crew | Production | Executive Producer |
Mauro Sacripanti | Crew | Directing | First Assistant Director |
Roberto Machado | Crew | Production | Production Manager |
Valentín Sallent | Crew | Production | Production Manager |
Enrique Garriga | Crew | Costume & Make-Up | Costume Design |
Santiago Rodríguez | Crew | Camera | Assistant Camera |
Ricardo González | Crew | Camera | Camera Operator |
Carlos Couto | Crew | Directing | First Assistant Director |
Elvira Tonini | Crew | Editing | Assistant Editor |
Genis Rodriquez | Crew | Production | Unit Manager |
María José Bassi | Crew | Art | Assistant Production Design |
Franco Serino | Crew | Production | Production Manager |
 Adolfo Celi | Cast | Actor | Mark Milford |
Aldo Bonamano | Cast | Mary Ann's Boss | |
Anny Degli Uberti | Cast | Actress | |
 Edward G. Robinson | Cast | Actor | Prof. James Anders |
 Fulvio Mingozzi | Cast | Actor | Milford's Thug (uncredited) |
 George Rigaud | Cast | Actor | Gregg Hutchinson |
 Janet Leigh | Cast | Actress | Mary Ann |
 Klaus Kinski | Cast | Actor | Erich Weiss |
 Luciana Angiolillo | Cast | Actress | |
Miguel del Castillo | Cast | Manager | |
 Riccardo Cucciolla | Cast | Actor | Agostino Rossi |
 Robert Hoffmann | Cast | Actor | Jean-Paul Audry |
 Valentino Macchi | Cast | Actor | (credit only) |
| Person | Type | Job | Role(s) |
