a Hit the Ground Running production ; produced by Marc Smerling and Andrew Jarecki ; directed by Andrew Jarecki ; written by Marc Smerling, Zac Stuart-Pontier, Andrew Jarecki ; presentation of Home Box Office
directed by Steve James ; produced by Mark Mitten, p.g.a, Julie Goldman, p.g.a. ; a Mitten Media, Motto Pictures and Kartemquin Films production for WGBH/Frontline and Independent Television Service (ITVS) in association with Blue Ice Docs
a production of Mercury Productions in association with WGBH/Boston for Nova ; produced by Mark Olshaker and Larry Klein ; written by Mark Olshaker ; directed by Larry Klein
a film by Ken Burns, David McMahon, Sarah Burns ; a Florentine Films production ; written by Sarah Burns & David McMahon & Ken Burns ; produced by David McMahon, Sarah Burns, Ken Burns ; produced in association with WETA, Washington, DC