|Wynn, Eaton, Kelly, McCallum, Bridges and Thompson|
An increasing danger of undersea quakes that could endanger millions on land causes scientists to decide to implant special sensors in various places on the sea bottom, providing a sort of early warning system. To achieve this Doug Standish (Lloyd Bridges) and Craig Mosby (Brian Kelly) gather a team to occupy their sub, the Hydronaut, and voyage around the world. The team members consist of Hank Stahl (Keenan Wynn), Dr. Orin Hillyard (Marshall Thompson), Dr. Maggie Hanford (Shirley Eaton), and Philip Volker (David McCallum), who agrees to help only if they go on a salvage operation that could net millions once all the sensors are planted. But this operation is interrupted by an eruption, and the crew of the Hydronaut may find themselves in really hot water ...
|Shirley Eaton and Brian Kelly|
|Lloyd Bridges and Brian Kelly|
|David McCallum appeals to Shirley Eaton|
Verdict: By no means dreadful, but too blah to be memorable. **1/4.