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
Dr. Ted Stevens, alias Ted Baxter

Cathy Downs
Lois King

Michael Whalen
Prof. King
Rodney Bell
William S. 'Bill' Grant

Phillip Pine
George Thomas

Vivi Janiss
Ethel Hall

Helene Stanton
Wanda

Pierce Lyden
Andy, the Janitor
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Release Date
December 1, 1955
Runtime
1h 20m
Rating
NR
Genres
Horror, Science Fiction
Director