The Unknown Terror
- Bliadhna: 1957
- Dùthaich: United States of America
- Seòrsa: Horror
- Stiùidio: Emirau Productions, Regal Films
- Faclan-luirg: amazon rainforest, mad scientist, missing person, underground cavern, man with limp, fungus people, primitive village
- Stiùiriche: Charles Marquis Warren
- Cast: John Howard, Mala Powers, Paul Richards, May Wynn, Gerald Milton, Duane Grey