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.
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)
1989
1996
1999
1975
2022
2005
1979
2024
1997
1940
2020
2007
1992
1970
1957
2023
1902
2004
2017
1945
1988
2019
2010
1985
1976
2014
2000
1968
1986
2008
1994
