Streaming availability in United States
Where to Watch Unknown World (1951)
Drilling into the forbidding depths of the earth!
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
AdventureScience Fiction 74 min 4.3/10 from 31 votes
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Amazon Video Cast
- Bruce Kellogg as Wright Thompson, Jr.
- Otto Waldis as Dr. Max A. Bauer
- Jim Bannon as Andrew "Andy" Ostergaard
- Tom Handley as Dr. James Paxton
- Dick Cogan as Dr. George Coleman