
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.

Bruce Kellogg
Wright Thompson, Jr.

Otto Waldis
Dr. Max A. Bauer

Jim Bannon
Andrew "Andy" Ostergaard

Tom Handley
Dr. James Paxton



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October 26, 1951
1h 14m
4.4
Terry O. Morse
Millard Kaufman
34

Lippert Pictures
US
Dick Cogan
Dr. George Coleman

George Baxter
Carlisle Foundation Chairman

Marilyn Nash
Dr. Joan Lindsey

Victor Kilian
Dr. Jeremiah Morley (uncredited)
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