Unknown World
- አመት: 1951
- ሀገር: United States of America
- ዘውግ: Adventure, Science Fiction
- ስቱዲዮ: Lippert Pictures
- ቁልፍ ቃል: cave, exploration, scientific expedition, tunnel, underground lake, subterranean world, underground cavern, woman scientist, poison gas
- ዳይሬክተር: Terry O. Morse
- ተዋንያን: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter