Drilling into the forbidding depths of the earth!
Original title
Unknown World
Released
10/26/1951
Origin country
US
Genre
Adventure, Science Fiction
Production companies
Lippert Pictures
Budget
—
Revenue
—
Runtime
1hr 14min
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
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