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A marine biologist and a government agent investigate mysterious deaths and rumors of a sea monster in a secluded ocean cove, and find themselves involved with a marine biology professor conducting secretive experiments, international spies trying to steal his secrets, a radioactive light on the sea bottom, and the malevolent thing which guards it.
Kent Taylor
Cathy Downs
Michael Whalen
Rodney Bell
Phillip Pine
Vivi Janiss
Helene Stanton
Pierce Lyden
Michael Garth
Norma Hanson