a Netflix original series ; producer, Michael Casey ; producer, Andy Stebbing ; producer, Martin Harrison ; producer, Oona O Beirn ; co-producer, Eve Swannell ; created by Peter Morgan ; Sony Pictures Television ; Left Bank Pictures
WGBH Educational Foundation ; a Canadian Broadcasting Corporation production for WGBH/FRONTLINE ; producer, Lisa Ellenwood ; written, produced & directed by Neil Docherty
a Frontline production with RAINmedia ; a production of WGBH/Boston ; correspondent, Martin Smith ; co-produced by Linda Hirsch ; written and produced by Martin Smith