filmed, produced and directed by Marcel Mettelsiefen ; co-produced and edited by Stephen Ellis, A.C.E. ; senior producer, Dan Edge ; an ITN production for WGBH/Frontline in association with Channel 4 and ZDF
screenplay, Allan Cubitt ; producer, Matthew Bird ; director, David Blair ; executive producers, George Faber, Charles Pattinson, Allan Cubbit, Suzan Harrison ; a Company Television production for Channel Four and WGBH/Boston ; senior producer, Steven Ashley ; executive producer, Rebecca Eaton ; WGBH Educational Foundation ; PBS
a Five O'Clock Films production for American experience ; a production of WGBH ; American Experience Films, PBS presents ; story by Callie T. Wiser ; telescript by David Espar and Callie T. Wiser ; produced and directed by Callie T. Wiser
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