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Unknown World
- ବର୍ଷ: 1951
- ଦେଶ: United States of America
- ଶ re ଳୀ: Adventure, Science Fiction
- ଷ୍ଟୁଡିଓ: Lippert Pictures
- କୀ ଶବ୍ଦ |: cave, exploration, scientific expedition, tunnel, underground lake, subterranean world, underground cavern, woman scientist, poison gas
- ନିର୍ଦ୍ଦେଶକ: Terry O. Morse
- କାଷ୍ଟ୍: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter