Storyline
When the cable breaks on their diving bell four people find themselves trapped in a hidden underwater world.
Top Cast
John Carradine
Prof. Millard Wyman
Robert Clarke
Craig Randall
Phyllis Coates
Dale Marshall
?
Allen Windsor
Paul Whitmore
Sheila Noonan
Lauri Talbott
George Skaff
Dr. J.R. Matheny
?
Maurice Bernard
Old Man in the Caverns
?
Joe Maierhouser
Jim Wyman
?
Lloyd Nelson
Wilson, Sonar Man
?
Harry Raven
The Captain
?
Milt Collion
Hank
?
Lowell Hopkins
Reporter
?
Jack Haffner
Jimmy, Reporter
?
Robert Carroll
Narrator
Director
Jerry Warren
Writers
John W. Steiner
Status
Released
