“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.
Dr. Doug Standish
Lloyd Bridges
Dr. Craig Mosby
Brian Kelly
Dr. Margaret E. 'Maggie' Hanford
Shirley Eaton
Dr. Philip Volker
David McCallum
Hank Stahl
Keenan Wynn
Dr. Orin Hillyard
Marshall Thompson
Dr. August 'Gus' Boren
Gary Merrill
Brinkman
Ron Hayes
Related titles ranked by rating and popularity.