When an underwater ocean lab is lost in a earthquake, an advanced submarine is sent down to find it and encounters terrible danger.

Cast:Ben Gazzara, Walter Pidgeon, Ernest Borgnine, Yvette Mimieux, Donnelly Rhodes, Chris Wiggins,

Genre:Action, Science Fiction,

country:Canada,

Production:Conquest of the Deeps Limited and Company, Quadrant Films, Astral Bellevue Pathé, Sandy Howard Productions,