Tentacles

A giant octopus terrorizes a California seaside resort, killing swimmers and divers, and attacking a sailing regatta., A prehistoric octopus is stirred from its sleep by underwater explosions menaces a seaside community. Trained killer whales are pitted against the octopus in a battle to the death., Suction cups of death threaten the tourists of a seaside resort in this cheap Italian knock-off Jaws. Fortunately, the hapless swimmers and boaters are saved by a plucky marine biologist who trains two killer whales to devour the eight-armed menace. Surprisingly, this film features several big name stars including Shelley Winters, Henry Fonda, John Huston and Bo Hopkins.