A futuristic underwater sea-lab is having problems with a UFO that's parked between them and a nearby deep ocean trench. As they investigate, they attract the unwanted attention of a dangerous creature who puts the scientists and crew in danger.
Released: 1966-05-01
Runtime: 82 minutes
Genre: Thriller, Science Fiction
Stars: Mike Road, Biff Elliot, Gary Merrill, Roy Barcroft, Richard Niles, Sheree North, Ron Burke, Wende Wagner, Glenn Sipes, William Thourlby, James Hong, John Howard, Scott Brady