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
Pet Shop of Horrors series is also distributed in New Zealand and Australia by Madman Entertainment. The series is also licensed in Germany by Tokyopop Germany, in Poland by Taiga and in Russia by Comics Factory. The sequel, "Pet Shop of Horrors: Tokyo" is licensed in English by Tokyopop, who has published eight volumes as of February 2011. Madhouse produced a 4-episode anime adaptation of various chapters of the manga in March 1999. The anime first aired as a miniseries on the TBS television network (as part of their now-defunct programming block "Wonderful") before being sold on VHS and LaserDisc. Urban Vision released the