The Day of the Dolphin originally going to be directed by Roman Polanski for United Artists in 1969, with Polanski writing the script. However, while Polanski was in London, England, looking for filming locations in August 1969, his pregnant wife, the actress Sharon Tate, was murdered in their Beverly Hills home by disciples of Charles Manson. Polanski returned to the United States and abandoned the project. The following year it was announced Franklin Schaffner would make the movie for the Mirisch Corporation. These plans were frustrated and Joseph Levine ended up buying the project from United Artists for Mike Nichols. The film was mostly shot
Charles (Manson) in Charge always be loyal to Kai. Kai begins to suspect that there is a mole in the cult. He runs up to his parents’ bedroom trying to identify the source of a perpetual buzzing sound. He hallucinates Dr. Vincent (Cheyenne Jackson) coming back to life and giving him advice. He then hallucinates Charles Manson (Evan Peters) stabbing Vincent. Manson tells Kai that he can't trust women. Ally tells Kai that she has found a listening device. The doorbell rings and Kai instructs Ally to stay where she is. Kai answers the door and finds Bebe standing there. They both go to