Warner Bros. Pictures ; directed by Alfonso Cuarón ; written by Alfonso Cuarón & Jonás Cuarón ; produced by Alfonso Cuarón ; produced by David Heyman ; a Warner Bros. Pictures presentation ; an Esperanto Filmoj produktado ; a Heyday Films production ; an Alfonso Cuarón film
Columbia Pictures Corporation presents a Warwick/Avala Production; directed by Jack Cardiff ; produced by Irving Allen ; screenplay by Berkely Mather and Beverley Cross
the National Film Board of Canada presents ; a National Film Board of Canada production ; written and directed by Tiffany Hsiung ; producer/executive producer, Anita Lee