The Neptune Factor
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A research facility becomes a death trap, and only an untested Navy vessel can save the day in this adventure drama. A team of scientists led by Hal Hamilton (Michael J. Reynolds) is studying marine life in an underwater research station called Sealab. Shortly before the Sealab crew are scheduled to return to the surface, a massive underwater earthquake strands them at the bottom of the ocean. Project director Dr. Andrews (Walter Pidgeon), who had often fought to support the Sealab project against funding coordinator Norton Shepherd (Ed McGibbon), knows that he must act quickly to save the… More

Critic Reviews from Rotten Tomatoes

"A dull, lifeless deep-sea rescue adventure. Gray Lady Down tells the same type of story with a lot more conviction and suspense."
‑ Chuck O'Leary, FulvueDrive-in.com
"More of a relic than a film that has stood the test of time, The Neptune Factor is mainly for those who like to see how filmmaking has evolved over the decades."
‑ Brian Webster, Apollo Guide
More reviews for The Neptune Factor on Rotten Tomatoes