Little Shop of Horrors (film) would pantomime and lip sync in slow motion. The film was then sped up to the normal 24 frames per second and voices were reinserted in post-production. Levi Stubbs' recordings were run through a harmonizer when slowed down so that they were coherent for Moranis or Ellen Greene. There are no blue screens or opticals involved in any of Audrey II's scenes, with the exception of the reshot ending where the plant is electrocuted, designed by Visual Effects supervisor Bran Ferren, and in some shots during the rampage in the original ending. The plant was made in six different stages
The Little Shop of Horrors has been denied by Mel Welles. According to Joseph, Corman shot the film quickly in order to beat changing industry rules that would have prevented producers from "buying out" an actor's performance in perpetuity. On January 1, 1960, new rules were to go into effect requiring producers to pay all actors residuals for all future releases of their work. This meant that Corman's B-movie business model would be permanently changed and he would not be able to produce low-budget movies in the same way. Before these rules went into effect, Corman decided to shoot one last film and scheduled it