未知的世界
Unknown World
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
- 类型: 冒险, 科幻
- 导演: Terry O. Morse
- 演员: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan
- 国家: United States