未知的世界
- 年: 1951
- 国家: United States of America
- 类型: 冒险, 科幻
- 工作室: Lippert Pictures
- 关键词: cave, exploration, scientific expedition, tunnel, underground lake, subterranean world, underground cavern, woman scientist, poison gas
- 导向器: Terry O. Morse
- 投: Bruce Kellogg, Otto Waldis, Jim Bannon, Tom Handley, Dick Cogan, George Baxter
