documentary script by John Rentsak ; narration written by Michael Lavoie ; produced by Cheryl Knapp ; an AAC Fact and West Park Pictures production in association with Discovery Health Channel
New York Times Television, Discovery Times Channel ; producer/writer, Mary Dore ; executive producers [for New York Times Television], Ann Derry, Philip A. Boag ; executive producer [for the Discovery Times Channel], Bill Snee
produced by Linda Duvoisin ; written by Linda Duvoisin, Jonathan Ward, Cheryl Pellerin ; a presentation of Discovery Networks in association with Cronkite Ward