With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
![]() |
Bruce Kellogg | Wright Thompson |
![]() |
Otto Waldis | Dr. Max A. Bauer |
![]() |
Jim Bannon | Andy Ostergaard |
![]() |
Tom Handley | Dr. James Paxton |
![]() |
Dick Cogan | Dr. George Coleman |
![]() |
George Baxter | Carlisle Foundation Chairman |
![]() |
Marilyn Nash | Dr. Joan Lindsey |
![]() |
Victor Kilian | Dr. Jeremiah Morley |
![]() |
Harold Miller | Carlisle Foundation Board Member |
Director | Terry O. Morse |
![]() |
Writer | Millard Kaufman, Dalton Trumbo | |
Producer | Irving Block, Robert L. Lippert, Jack Rabin | |
Musician | Ernest Gold | |
Photography | Henry Freulich, Allen G. Siegler |