The Brain That Wouldn't Die is a 1962 American science fiction horror film directed by Joseph Green and written by Green and Rex Carlton. The film was completed in 1959 under the working title The Black Door but was not theatrically released until May 3, 1962, under its new title as a double feature with Invasion of the Star Creatures.

Invasion of the Star Creatures is an independently made 1962 black-and-white science fiction/comedy film, produced by Samuel Z. Arkoff and Berj Hagopian, directed by Bruno VeSota, that stars Bob Ball and Frankie Ray. The film was theatrically released by American International Pictures as a double feature with The Brain That Wouldn't Die.