Rollebesetning og filmteam
-
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 WarrenRegissør
- Jerry WarrenProdusent
- John W. SteinerManusforfatter