Adventure / Science Fiction /

Score: 41.3%( 29 votes )

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

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

George Baxter
Carlisle Foundation Chairman

Marilyn Nash
Dr. Joan Lindsey

Victor Kilian
Dr. Jeremiah Morley (uncredited)