Franco Nero
Mike di Donato
Michael Forest
Donovan (as Mike Forrest)
Patricia Rivera
Juanita
Jorge Luke
Acapulco
Enzo G. Castellari
Il killer (as E. Girolami)
Rocco Lerro
Il picchiatore
Mirta Miller
Rosy
Eduardo Fajardo
Il capitano Gómez
Werner Pochath
Ramon (as Werner Pochat)
Nick Alexander
Il killer (voice) (uncredited)
Larry Dolgin
Acapulco / Donovan (voice) (uncredited)
Steven Luotto
Waiter (voice) (uncredited)
Edward Mannix
Il capitano Gómez (voice) (uncredited)
Susan Spafford
Rosy (voice) (uncredited)
Pat Starke
Juanita (voice) (uncredited)
Frank von Kuegelgen
Ramon (voice) (uncredited)
Jesús R. Folgar
Screenplay
Alfredo Giannetti
Story
Alfredo Giannetti
Screenplay
Jaime Comas Gil
Screenplay
Gisella Longo
Story
Tito Carpi
Screenplay
Enzo G. Castellari
Director
Francisco Flores
Associate Producer
Giancarlo Granatelli
Camera Operator
Guido De Angelis
Music
Roberto Amicucci
Camera Operator
Massimo Gasperini
Camera Operator
Nino Segurini
Executive Producer
Luggi Waldleitner
Producer
Jaime Comas Gil
Co-Producer
Massimiliano Cerchi
Special Effects
Fabrizio Di Biasi
Camera Operator
Karl Spiehs
Line Producer
Maurizio De Angelis
Music
Francesco Fabbi
Costume Design
Giovanni Bergamini
Camera Operator
Enzo Doria
Producer
Massimo Gasperini
Editor
Rocco Lerro
Stunts
Livia Rava
Camera Operator
Gisella Longo
Art Direction
Ramón Bravo
Underwater Director of Photography
Franco Nero
Co-Producer
Raúl Pérez Cubero
Cinematography
Gianfranco Amicucci
Editor
Jesús R. Folgar
Production Manager
Roberto Sannino
Assistant Production Design
Mario Molli
Assistant Production Design