Warner Vision Entertainment ; a production of WNET/13 ; produced by Emile Ardolino and Judy Kinberg ; directed by Merrill Brockway ; narration written by Elizabeth Kendall
National Educational Television Radio Center in cooperation with the Institute for Special Musical Studies at the University of Southern California ; producer, Nathan Kroll ; director, Alexander Hammid ; producer, Nathan Kroll
a Universal Picture presentation, a Radar Pictures/One Race Films production, a David Twohy film ; produced by Scott Kroopf, Vin Diesel ; written and directed by David Twohy