Discover
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)
Art
Gisella Longo
Art Direction
Roberto Sannino
Assistant Production Design
Mario Molli
Assistant Production Design
Camera
Giancarlo Granatelli
Camera Operator
Roberto Amicucci
Camera Operator
Massimo Gasperini
Camera Operator
Fabrizio Di Biasi
Camera Operator
Giovanni Bergamini
Camera Operator
Livia Rava
Camera Operator
Ramón Bravo
Underwater Director of Photography
Costume & Make-Up
Francesco Fabbi
Costume Design
Directing
Enzo G. Castellari
Director
Production
Francisco Flores
Associate Producer
Nino Segurini
Executive Producer
Luggi Waldleitner
Producer
Jaime Comas Gil
Co-Producer
Karl Spiehs
Line Producer
Enzo Doria
Producer
Franco Nero
Co-Producer
Jesús R. Folgar
Production Manager
Writing
Jesús R. Folgar
Screenplay
Alfredo Giannetti
Story
Alfredo Giannetti
Screenplay
Jaime Comas Gil
Screenplay
Gisella Longo
Story
Tito Carpi
Screenplay