The Little Shop of Horrors AIP distributed the film as the B movie for their release of Mario Bava's "Black Sunday". Despite being barely mentioned in advertising (it was only occasionally referred to as an "Added Attraction" to Bava's film), "Black Sunday"'s critical and commercial success resulted in positive word of mouth responses to "The Little Shop of Horrors". The film was re-released again the following year in a double feature with "Last Woman on Earth". Because Corman did not believe that "The Little Shop of Horrors" had much financial prospect after its initial theatrical run, he did not bother to copyright it, resulting in
The Little Shop of Horrors Company yard for an entire evening using two bottles of scotch as persuasion. The scene in which a character portrayed by Robert Coogan is run over by a train was accomplished by persuading the railroad crew to back the locomotive away from the actor. The shot was later printed in reverse. Griffith and Welles spent a total of $1,100 on fifteen minutes worth of exteriors. The film's musical score, written by cellist Fred Katz, was originally written for "A Bucket of Blood". According to Mark Thomas McGee, author of "Roger Corman: The Best of the Cheap Acts", each time Katz