| Person | Type | Job | Role(s) |
|---|---|---|---|
 Enzo Barboni | Crew | Directing | Director |
 Franco Micalizzi | Crew | Sound | Original Music Composer |
Hélio Silva | Crew | Camera | Director of Photography |
Luciano Sagoni | Crew | Costume & Make-Up | Costume Design |
Marco Barboni | Crew | Writing | Screenplay |
Mário Lúcio | Crew | Costume & Make-Up | Makeup Artist |
Paul Costello | Crew | Directing | Script Coordinator |
Peter Gold | Crew | Directing | Assistant Director |
Philip Edwards | Crew | Editing | Editor |
Silvano Ippoliti | Crew | Camera | Director of Photography |
Vittorio Galiano | Crew | Production | Producer, Production Manager |
Paulo Fernando Pijnappel | Crew | Production | Production Supervisor |
Robert MacNamara | Crew | Art | Construction Manager |
Max Viller | Crew | Production | Production Supervisor |
Celia Menezes | Crew | Costume & Make-Up | Costume Design |
Jorge Moreira | Crew | Art | Production Design, Art Direction |
Andre Filho | Crew | Production | Production Secretary |
Carlos Couto | Crew | Directing | Assistant Director |
 April Clough | Cast | Actress | Olympia Chavez |
 Bud Spencer | Cast | Actor | Antonio Coímbra / Greg Wonder |
 Carlos Kurt | Cast | One of the recruiters (uncredited) | |
 Claudioney Penedo | Cast | Actor | Don Tango's Boss |
 Dary Reis | Cast | Actor | Van der Bosch (as Dary Reiz) |
 Dennis Bourke | Cast | Actor | Albert von Eisenburg |
 Franco Ukmar | Cast | Actor | Tango's Thug (uncredited) |
 Giancarlo Bastianoni | Cast | Actor | Tango's Thug / Mercenary (uncredited) |
 Harold Bergman | Cast | Actor | Double Agency Director |
 Nello Pazzafini | Cast | Actor | Don Tango |
 Sergio Smacchi | Cast | Actor | Tango's Thug / Mercenary (uncredited) |
 Terence Hill | Cast | Actor | Sebastiano Coímbra / Elliot Vance |
 Fernando Amaral | Cast | Actor | Ángel Duarte |
 Ataíde Arcoverde | Cast | Actor | Vinicio (as Ataide Arcoverde) |
 C.V. Wood Jr. | Cast | Actor | Police Officer |
Franco Sattamini | Cast | Tango's Thug / Mercenary (uncredited) | |
 Roberto Roney | Cast | Nadiño | |
 José Van de Kamp | Cast | Bernardo | |
| Person | Type | Job | Role(s) |
