Sci-Fi Horror
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.
Directed by
Sergio Martino
Beryl Cunningham
Shakira
Giuseppe Castellano
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Riccardo Petrazzi
Prisoner on Lifeboat(uncredited)
Mel Ferrer
Radcliffe (US version)
Bobby Rhodes
Rackham's Servant (uncredited)
Joseph Cotten
Prof. Ernest Marvin
Cameron Mitchell
Decker (US version)
Richard Johnson
Edmond Rackham
Barbara Bach
Amanda Marvin
Roberto Posse
Peter
Claudio Cassinelli
Lt. Claude de Ross
Franco Javarone
Jose
Franco Mazzieri
Francois
Eunice Bolt
Samantha (US Version)
Jim Alquist
James (US version)
Tom J. Delaney
Patterson (US version)

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