Walt Disney Animation Studios ; directed by Jared Bush, Byron Howard ; co-directed by Charise Castro Smith ; produced by Yvet Merino, Clark Spencer ; screenplay by Charise Castro Smith, Jared Bush ; story by Jared Bush, Byron Howard, Charise Castro Smith, Jason Hand, Nancy Kruse, Lin-Manuel Miranda
contributed by numerous eminent specialists of all nations ; consulting editor: Thomas Edward Scrutton ; general editor: William Bowstead ; with a general introduction by Charles Henry Huberich
Hydro-Québec presents a TVA International production, in association with the Swedish Museum of Natural History and Imagica Corporation ; writers, Georges-Hébert Germain, David Homel ; producer, Martin J. Dignard ; directors, Martin J. Dignard, William Reeve