After their prison ship sinks in the Caribbean, a group of prisoners and a doctor wash ashore on a seemingly deserted island. They soon discover a strange couple, who invite them to stay at their house. While the prisoners plan an escape, the doctor does some investigating, and soon finds out just what the pair are really doing, and why the prisoners keep disappearing mysteriously.
Cast
Barbara Bach
Amanda Marvin
Claudio Cassinelli
Lt. Claude de Ross
Richard Johnson
Edmond Rackham
Beryl Cunningham
Shakira
Joseph Cotten
Prof. Ernest Marvin
Franco Javarone
Jose
Roberto Posse
Peter
Giuseppe Castellano
Skip
Franco Mazzieri
Francois
Cameron Mitchell
Decker (US version)
Mel Ferrer
Radcliffe (US version)
Eunice Bolt
Samantha (US Version)
Jim Alquist
James (US version)
Tom J. Delaney
Patterson (US version)
Bobby Rhodes
Rackham's Servant (uncredited)
Riccardo Petrazzi
Prisoner on Lifeboat(uncredited)
Crew
Sergio Martino
Director, Screenplay
Sergio Donati
Screenplay
Cesare Frugoni
Screenplay, Story
Luciano Martino
Story, Producer
Eugenio Alabiso
Editor
Giancarlo Ferrando
Director of Photography
Steve Jerrom
Second Assistant Director
Roger Corman
Executive Producer
Massimo Antonello Geleng
Production Design
Maria Rosaria Crimi
Costume Design
Mark Walas
Assistant Makeup Artist
Kenny Myers
Assistant Makeup Artist
Pamela Peitzman
Makeup Artist
Manlio Rocchetti
Makeup Artist
Stefano Trani
Makeup Artist
Nilo Jacoponi
Makeup Artist
Bruno Moreal
Sound Mixer
Roberto Petrozzi
Sound Engineer
Chris Walas
Special Effects Makeup Artist
Luciano Michelini
Original Music Composer
