Frontline PBS and The Associated Press present ; a film by Mstyslav Chernov ; filmed, written and directed by Mstyslav Chernov ; produced by Mstyslav Chernov, Michelle Mizner, Raney Aronson-Rath and Derl McCrudden
directed by Annie Wong, Thomas Jennings ; narrated by Will Lyman ; produced by Erika Kinetz, Annie Wong, Thomas Jennings, WGBH Educational Foundation, Associated Press, 2over10 Media