Francis D. Lyon,Earle Lyon,Paul Sylos,Harry Reif,Scott Brady,Sheree North,Gary Merrill,John Howard,Wende Wagner,Mike Road,William Thourlby,Biff Elliot,Roy Barcroft, James Hong
Distributeur:
United Pictures
Synopsis
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.