The Incredible Petrified World

Four adventurers descend to the bottom of the sea. When their surface tether snaps, they find themselves marooned in a network of underwater caverns.

• Jerry WarrenDirector
• John W. SteinerScreenplay

• John CarradineProf. Millard Wyman
• Robert ClarkeCraig Randall
• Phyllis CoatesDale Marshall
• Allen WindsorPaul Whitmore
• Sheila NoonanLauri Talbott
• George SkaffDr. J.R. Matheny
• Maurice BernardOld Man in the Caverns
• Joe MaierhouserJim Wyman
• Lloyd NelsonWilson, Sonar Man
• Harry RavenThe Captain
• Milt CollionHank
• Lowell HopkinsReporter