When Dame Olivia Newton-John was cast as Sandy, her character's background had to be changed to accommodate Newton-John's background. In the original Broadway musical, Sandy was an all-American girl and her last name was Dumbrowski. In the movie version, she became Sandy Olsson from Australia. John Farrar, Newton-John's frequent songwriter, wrote two new songs for this movie while other songs from the Broadway musical were dropped.

Film

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