With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
Directed by: Terry O. Morse
Cast: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter, Marilyn Nash, Victor Kilian
Genres: Adventure, Sci-Fi, War
Rating: 4.2/10