A marine biologist, a dolphin trainer, a research scientist, and a local sheriff try to hunt down a large sea monster, a shark/octopus hybrid, that is devouring swimmers and fishermen off a south Florida coast.
Michael Sopkiw
as Peter
Valentine Monnier
as Dr. Stella Dickens
Gianni Garko
as Sheriff Gordon
William Berger
as Professor Donald West
Iris Peynado
as Sandra Hayes
Lawrence Morgant
as Dr. Davis Barker
Cinzia de Ponti
as Florinda
Paulo Branco
as Miller
Dagmar Lassander
as Sonja West
Darla N. Warner
as Dr. Janet Bates
Dino Conti
as Dr. Bob Hogan
Goffredo Unger
as Fisherman / Victim
