Medverkande
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John CarradineProf. Millard Wyman - Allen WindsorPaul Whitmore
- Phyllis CoatesDale Marshall
- Robert ClarkeCraig Randall
- Sheila NoonanLauri Talbott
- George SkaffDr. J.R. Matheny
- Maurice BernardIngol - Old Man in the Caverns
- Joe MaierhauserJim Wyman
- Jerry WarrenRegissör
- Jerry WarrenProducent
- John W. SteinerFörfattare