Unknown World

Plot Summary

With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.

Top Cast

Bruce Kellogg Wright Thompson, Jr.

Otto Waldis Dr. Max A. Bauer

Jim Bannon Andrew "Andy" Ostergaard

Tom Handley Dr. James Paxton

Dick Cogan Dr. George Coleman