- Released in 1958
- B & W
- Running Time: 71 Min.
- Production Co: Gross-Krasne Productions
- Distribution Co: Distributors Corporation of America (DCA)
- Directed by Kenneth G. Crane
- Written by Louis Vittes & Endre Bohem
- Starring Jim Davis, Robert E. Griffin, Barbara Turner, Eduardo Ciannelli, Vladimir Sokoloff, Joel Fluellen, LaVerne Jones, Tim Huntley, Frederic Potler
- Produced by Al Zimbalist
- Original Music by Albert Glasser
- Cinematography by Ray Flin
- Film Editing by Kenneth G. Crane
- The mammoth monster that terrorised the earth!
- Today it’s destroying Africa . . . tomorrow the world!
- Nightmare thrills beyond belief
- Atomic mutations with an appetite for flesh