Storyline
A five man submarine plants sensors around the worlds oceans to monitor for a impending earthquake.
Top Cast
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
?
George Shibata
Prof. Uji Hamaru
?
Donald Linton
Vice President
?
Frank Logan
Captain of the Diligence
?
Don Wells
Sonar Man on the Dilligence
Celeste Yarnall
Secretary
Director
Andrew Marton
Writers
Arthur Weiss, Art Arthur
Status
Released
