Movie 1951 1h 14m
Unknown World
- 4.4/1034 votes · TMDB
- On 17 services in United States
Drilling into the forbidding depths of the earth!
Where to watch in United States
Checked October 11, 2026
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Free3No subscription, no ads
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Availability history in United States
Last checked
Left Philo Subscription
On 17 services when we started tracking Amazon Video, Full Moon Amazon Channel, Troma NOW, Midnight Pulp Amazon Channel, Bloodstream, Tubi TV, Artiflix, ARROW, Xumo Play, Cultpix, Fawesome, Philo, Screambox Amazon Channel, FlixFling, Amazon Prime Video Free with Ads, Eternal Family, Amazon MX Player
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Overview
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
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)If you like Unknown World
+2 
+10 
+11 
+10 Ratings and comments
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