a production of Public Affairs Television, Inc., in association with Thomas Lennon Films ; a presentation of Thirteen/WNET, New York ; produced by Joseph Angier, Thomas Lennon ; written by Thomas Lennon & Joseph Angier and Bill Moyers
director, Teresa MacInnes ; narration written by Andrew Gardner ; producer, Gillian Darling Kovanic ; produced in association with the Canadian Broadcasting Corporation ; a National Film Board of Canada production