With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
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)
Director
Screenplay
Producer
Producer
Original Music Composer
Director of Photography
Director of Photography
Editor
Production Design
Production Design
Visual Effects
Visual Effects
Production Supervisor
Sound Effects Editor
Camera Operator
Set Decoration
Makeup Artist
Wardrobe Designer