produced and directed by Stanley Nelson ; written by Marcia A. Smith ; a Firelight Media production for American Experience ; WGBH Boston ; WGBH Educational Foundation
a presentation of U.S. Department of the Interior, National Park Service ; an Aperture Films, Ltd. production ; directed by Joshua Colover ; produced by Joshua Colover, Joseph Erb ; written by Shane Smith
HBO Films presents ; an Amblin Television production ; a Tale Told production ; a Moonshot Entertainment production ; in association with Everyman Pictures ; directed by Jay Roach ; screenplay by Robert Schenkkan ; produced by Scott Ferguson