The Little Shop of Horrors recalled "at first they told me it was a detective movie; then, while I was flying back [to make the movie], I think they wrote a whole new movie, more in the horror genre. I think over a weekend they rewrote it." The screenplay was written under the title "The Passionate People Eater". Welles stated, "The reason that "The Little Shop of Horrors" worked is because it was a love project. It was "our" love project." The film was partially cast with stock actors that Corman had used in previous films. Writer Charles B. Griffith portrays several small roles. Griffith's
The Little Shop of Horrors of the film on DVD in 2006. Legend Films' colorized version was well received, and was also given a theatrical premiere at the Coney Island Museum on May 27, 2006. The DVD included an audio commentary track by comedian Michael J. Nelson of "Mystery Science Theater 3000" fame. A DivX file of Legend's colorized version with the commentary embedded is also available as part of Nelson's RiffTrax On Demand service. On January 28, 2009, a newly recorded commentary by Nelson, Kevin Murphy and Bill Corbett was released by RiffTrax in MP3 and DivX formats. Legend's colorized version is also available