With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
Director
Terry O. Morse
Bruce Kellogg
Wright Thompson, Jr.
Otto Waldis
Dr. Max A. Bauer
Jim Bannon
Andrew "Andy" Ostergaard
Dick Cogan
Dr. George Coleman
George Baxter
Carlisle Foundation Chairman
Marilyn Nash
Dr. Joan Lindsey
Victor Kilian
Dr. Jeremiah Morley (uncredited)
Unknown World (1951): Newsreel Sequence
US
