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
