This was one of two features produced by an independent company in Texas and meant for release as a double feature. The other feature was The Killer Shrews (1959). Unlike many such features produced in the South, these films received national distribution.

Gordon McLendon, who owned a number of radio stations and theaters in Texas, was the uncredited executive producer and financier of this film. Some members of the McLendon family were given roles in this film.

The "Gila Monster" in the movie is actually a Mexican Beaded Lizard.

Ken Knox, who plays disc jockey Horatio Alger "Steamroller" Smith, was a real disc jockey working at radio stations in Texas owned by Gordon McLendon, the uncredited executive producer of this film.

The voice you hear on the other end of the phone, when Chase eavesdrops on a phone call to the police department, is that of Ken Curtis, who served as producer on this film. He is more famous for having played scruffy deputy Festus Hagen on Gunsmoke (1955).

This movie was lampooned on Mystery Science Theater 3000 in the second episode of season 4.

Heavy-metal and "punk rock" icon Glenn Danzig (The Misfits, Samhain, Danzig) used the same font from the poster for this film for his solo band's logo.

Opening credits: All characters and events in this film are fictitious and bear no resemblance to any person living or dead.