Twentieth Century Fox presents ; an Art Linson production ; an Alfonso Cuarón film ; produced by Art Linson ; screenplay by Mitch Glazer ; directed by Alfonso Cuarón
based on the book ... by Judy Taylor ; film editors, Paul Gagne, Peter Friedman ; executive producer, Morton Schindel ; produced and directed by Cari Best, Paul Gagne and Judy Taylor
a Ralph Bakshi/Frank Frazetta production ; produced by Ralph Bakshi and Frank Frazetta ; screenplay by Roy Thomas and Gerry Conway ; directed by Ralph Bakshi