Little Nemo: Adventures in Slumberland (released in Japan as simply Nemo (ニモ Nimo) and credited in some territories as Little Nemo) is a 1989 Japanese-American animated musical adventure fantasy film directed by Masami Hata and William Hurtz. Based on the comic strip Little Nemo in Slumberland by Winsor McCay, the film went through a lengthy development process with a number of screenwriters. Ultimately, the screenplay was credited to Chris Columbus and Richard Outten; the storyline and art style differed from the original version. The original soundtrack was penned by the Academy Award-winning Sherman Brothers. The film features the voices of Gabriel Damon, Mickey Rooney, René Auberjonois, Danny Mann and Bernard Erhard.