The book "Brave New World" that this movie's based on has been banned in many places, including Ireland in 1932. It was Huxley's 5th novel. It was also based on many people, including Freud and Jung, and each character is based off of someone as well. Also, the book has many references to Shakespeare, and some of his banned works.
Alexandra Ella's debut.
Angela Oh's debut.
The book's character "John Savage" has been renamed John Cooper. This is probably because of prominent actor John Savage, one of the stars of Academy Award-winning The Deer Hunter.