Isfimovies - The Phantom from 10,000 Leagues (1955)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.Dan MilnerKent Taylor, Cathy Downs, Michael Whalen, Rodney Bell, Phillip Pine, Vivi Janiss, Helene Stanton, Pierce Lyden, Michael Garth