Aquatic creatures threaten the existence of a mysterious island.
Trailer
Cast
Sergio Martino
Director
Barbara Bach
Amanda Marvin
Claudio Cassinelli
Lt. Claude de Ross
Richard Johnson
Edmond Rackham
Beryl Cunningham
Shakira
Joseph Cotten
Prof. Ernest Marvin
RP
Roberto Posse
Peter
Giuseppe Castellano
Skip
Franco Mazzieri
François
JA
Jim Alquist
James (US version)
Mel Ferrer
Radcliffe (US version)
Cameron Mitchell
Decker (US version)
RP
Riccardo Petrazzi
Prisoner on Lifeboat
Bobby Rhodes
Rackham's Servant
Franco Javarone
José
EB
Eunice Bolt
Samantha (US version)
TJ
Tom J. Delaney
Patterson (US version)
CF
Cesare Frugoni
Writer
Sergio Donati
Writer
LM
Luciano Martino
Writer
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Comments
2 Comments
Shreya SitoulaNov 23, 2025
Girlish_touchAug 9, 2023