- Released on April 9, 1953 (Detroit, Michigan)
- Running time: 78 minutes (US) | 83 minutes (UK)
- Production Co.: Edward L. Alperson Productions
- Distribution Co.: 20th Century Fox
- Directed by William Cameron Menzies
- Written by Richard Blake and John Tucker Battle
- Starring: Helena Carter, Arthur Franz, Jimmy Hunt
- A young boy learns that space aliens are taking over the minds of earthlings.
- NATURAL or SUPERNATURAL?
- Mankind's oldest fear comes to life!
- Murderous Martian creatures from out of space!
- From out of space... came hordes of green monsters!
- Mankind's oldest fear...The Alien's last conquest