When the cable breaks on their diving bell four people find themselves trapped in a hidden underwater world.
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John Carradine | Prof. Millard Wyman |
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Robert Clarke | Craig Randall |
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Phyllis Coates | Dale Marshall |
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Allen Windsor | Paul Whitmore |
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Sheila Noonan | Lauri Talbott |
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George Skaff | Dr. J.R. Matheny |
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Maurice Bernard | Ingol - Old Man in the Caverns |
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Joe Maierhauser | Jim Wyman |
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Harry Raven | The Captain |
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Lloyd Nelson | Wilson - Sonar Man |
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Jack Haffner | Jimmy - Reporter |
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Milt Collion | Hank |
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Robert Carroll | Narrator |
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Lowell Hopkins | Reporter |
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Jerry Warren | Plane Passenger Behind Wyman |
Director | Jerry Warren |
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Writer | John W. Steiner | |
Producer | Jerry Warren | |
Photography | Victor Fisher |