When the cable breaks on their diving bell four people find themselves trapped in a hidden underwater world.
Prof. Millard Wyman
Craig Randall
Dale Marshall
Paul Whitmore
Lauri Talbott
Dr. J.R. Matheny
Old Man in the Caverns
Jim Wyman
Wilson, Sonar Man
The Captain
Hank
Reporter
Jimmy, Reporter
Narrator
Director
Producer
Editor
Director of Photography
Art Direction
Screenplay
