Jack Nicholson is the Joker, who emerged from a horrible accident as a m aniacal criminal. Michael Keaton is the Caped Crusader, who emerged from a childhood trauma to become a masked crimefighter. Kim Basinger is Vicki Vale, the talented photojournalist desired by both men. And Batman is the movie, the all-out spectacular directed by Tim Burton, set to songs by Prince and a music score by Danny Elfman, and an Academy AwardO winner* for Best Art Direction/Set Decoration (Anton Furst and Peter Young).