"Hold your breath for the biggest undersea adventure of all!"
A five man submarine plants sensors around the worlds oceans to monitor for a impending earthquake.
Director
Andrew Marton
Status
Released
Lloyd Bridges
Dr. Doug Standish
Brian Kelly
Dr. Craig Mosby
Shirley Eaton
Dr. Margaret E. 'Maggie' Hanford
David McCallum
Dr. Philip Volker
Keenan Wynn
Hank Stahl
Marshall Thompson
Dr. Orin Hillyard
Gary Merrill
Dr. August 'Gus' Boren
Ron Hayes
Brinkman
