Unknown World
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
- ประเภท: ผจญ, นิยายวิทยาศาสตร์
- สตูดิโอ: Lippert Pictures
- คำสำคัญ: cave, exploration, scientific expedition, tunnel, underground lake, subterranean world, underground cavern, woman scientist, poison gas
- นักแสดง: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter
