![Unknown World](https://image.tmdb.org/t/p/w300/uIA7KxFyyIkWaeyzNyp48dMhVSV.jpg)
Unknown World
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
- Aliran: Petualangan, Cerita Fiksi
- Studio: Lippert Pictures
- Kata kunci: cave, exploration, scientific expedition, tunnel, underground lake, subterranean world, underground cavern, woman scientist, poison gas
- Pemeran: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter