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 a Los Angeles disk jockey and songwriter named released correspondence and other evidence indicating that he might be Manson's biological son. Roberts's biological mother claims to have been a member of the Manson Family who left in mid-1967 after being raped by Manson; she returned to her parents' home to complete the pregnancy, gave birth on March 22, 1968, and put Roberts up for adoption. Manson himself stated that he "could" be the father, acknowledging the biological mother and a sexual relationship with her during 1967, nearly two years before the Family began its murderous phase. In 2014, it was