Trivia: Sarah Douglas' voice was dubbed over by actress Annie Ross who would play Vera Webster in Superman 3. Sarah's own voice was used in Superman 2: The Richard Donner Cut.
Trivia: The credits list "generally in charge of a lot of things" as one of the job titles. (01:26:00)
Trivia: In his biography, Gene Kelly has admitted that he knew Xanadu was a bad film, but found Olivia Newton-John a joy to work with and she helped him survive it.
Trivia: Brooke Shields had to stand in a ditch in some parts of the movie because she was much taller than her co-star.
Trivia: The voice for the animated Popeye was done by Jack Mercer who provided the voice for the Popeye the Sailor cartoons.
Trivia: The line "It's not who you go with, it's who takes you home" is said in every Prom Night movie, even despite the fact that the later films aren't true sequels to this one.