Unknown World
Drilling into the forbidding depths of the earth!
AdventureScience Fiction
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
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Cast
Bruce KelloggWright Thompson, Jr.
Otto WaldisDr. Max A. Bauer
Jim BannonAndrew "Andy" Ostergaard
Tom HandleyDr. James Paxton
Dick CoganDr. George Coleman
George BaxterCarlisle Foundation Chairman
Marilyn NashDr. Joan Lindsey
Victor KilianDr. Jeremiah Morley (uncredited)