Pulse Films presents a Pulse Films production ; a film by Gael García Bernal and Marc Silver ; in association with BRITDOC & Film4, Impact Partners, Candescent Films, Ford Foundation, Diamond Docs, Silverlining Films, Canana Films, Rise Films, Mundial ; executive producers, Dan Cogan, Lilly Hartley, Jeffrey Tarrant ; executive producers, Jess Search, Teddy Leifer, Marc Silver ; written by Mark Monroe ; produced by Lucas Ochoa, Thomas Benski, Gael García Bernal ; directed by Marc Silver