“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.
Director
Writers
Millard Kaufman
Wright Thompson, Jr.
Dr. Max A. Bauer
Andrew "Andy" Ostergaard
Dr. James Paxton
Dr. George Coleman
Carlisle Foundation Chairman
Dr. Joan Lindsey
Dr. Jeremiah Morley (uncredited)