The Unknown Terror
- Afọ: 1957
- Mba: United States of America
- Dị: Horror
- .Lọ nka: Emirau Productions, Regal Films
- Isiokwu: amazon rainforest, mad scientist, missing person, underground cavern, man with limp, fungus people, primitive village
- Onyeisi: Charles Marquis Warren
- Nkedo: John Howard, Mala Powers, Paul Richards, May Wynn, Gerald Milton, Duane Grey