A scientist and his team of underwater explorers search for the culprit who has stolen the world's supply of nerve gas and hidden it somewhere in the ocean.

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Main Cast: Ricardo Montalban, José Ferrer, Leslie Nielsen, Chris Robinson, Katherine Woodville, Lawrence P. Casey, Tom Simcox, Curt Lowens, Austin Stoker, Phil Philbin

Director: Don McDougall

Writers: Alan Caillou, Winston Miller, Leslie Stevens, Ivan Tors

Editor: Erwin Dumbrille

Cinematographer: Clifford H. Poland Jr.

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