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
Shirley Manson after being asked to appear by series creator Josh Friedman and enduring a multiple audition process, beating out other actresses including Julie Ann Emery. She debuted in the season two premiere episode "" as Catherine Weaver, CEO of a technology company, ZeiraCorp. At the conclusion of the episode, Weaver is revealed to be a liquid-metal T-1001 Terminator. Manson also performed and co-arranged a rock and blues version of the gospel song "Samson and Delilah" for the episode's score. Manson cites actress Glenn Close and former British Prime Minister Margaret Thatcher as her acting influences for the ambiguous character. Manson also