produced by Randall MacLowry, Tracy Heather Strain ; written and directed by Tracy Heather Strain ; senior series producer, Susan Bellows ; a Film Posse, Inc. production for American Experience
a Nova/WGBH production ; produced by Matthew Barrett, John Rubin, and Sarah Holt ; written by John Rubin ; directed by John Rubin, Rushmore Denooyer, Serena Davies, and Sarah Holt
a Frontline production with Kirk Documentary Group in association with Startbox Films ; writers Mike Wiser & Michael Kirk ; producer and director, Jessie Deeter
Pontecorvo Productions and Thirteen Productions LLC in association with National Geographic Channel, Sky Vision and WNET ; produced and written by Joe Pontecorvo