Adventure Sci-Fi Thriller
When the cable breaks on their diving bell four people find themselves trapped in a hidden underwater world.
Directed by
Jerry Warren
Robert Clarke
Craig Randall
John Carradine
Prof. Millard Wyman
Phyllis Coates
Dale Marshall
Lloyd Nelson
Wilson, Sonar Man
Sheila Noonan
Lauri Talbott
Allen Windsor
Paul Whitmore
George Skaff
Dr. J.R. Matheny
Maurice Bernard
Old Man in the Caverns
Joe Maierhouser
Jim Wyman
Harry Raven
The Captain
Milt Collion
Hank
Lowell Hopkins
Reporter
Robert Carroll
Narrator

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