The Little Shop of Horrors was interested because of "A Bucket of Blood" and said the development process was similar to that of the earlier film, when he and Griffith were inspired by visiting various coffee houses: We tried a similar approach for "The Little Shop of Horrors", dropping in and out of various downtown dives. We ended up at a place where Sally Kellerman (before she became a star) was working as a waitress, and as Chuck and I vied with each other, trying to top each other's sardonic or subversive ideas, appealing to Sally as a referee, she sat down at the table
The Little Shop of Horrors father appears as a dental patient, and his grandmother, Myrtle Vail, appears as Seymour's hypochondriac mother. Dick Miller, who had starred as the protagonist of "A Bucket of Blood" was offered the role of Seymour, but turned it down, instead taking the smaller role of Burson Fouch. Production at the "Bucket of Blood" sets was compressed into three days of cast rehearsals, immediately followed by two days and one night of principal photography. It had been rumored that the film's shooting schedule was based on a bet that Corman could not complete a film within that time. However, this claim