
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.
Lloyd BridgesDr. Doug Standish
Brian KellyDr. Craig Mosby
Shirley EatonDr. Margaret E. 'Maggie' Hanford
David McCallumDr. Philip Volker
Keenan WynnHank Stahl
Marshall ThompsonDr. Orin Hillyard
Gary MerrillDr. August 'Gus' Boren
Ron HayesBrinkmanGeorge ShibataProf. Uji HamaruDonald LintonVice PresidentFrank LoganCaptain of the DiligenceDon WellsSonar Man on the Dilligence
Celeste YarnallSecretary