a co-production of Mammoth Screen and Masterpiece in assocation with ITV Studios ; directed by Shaun Evans, Ian Aryeh, Kate Saxon ; produced by James Levison, Charlotte Webber ; written and devised by Russell Lewis
producer, Guy de Glanville ; director, Andy Wilson ; created and written by Chris Lang ; produced by Mainstreet Pictures for ITV ; co-produced with Masterpiece
a Cine Boa LLC production for WGBH/Frontline and Univision in association with the investigative reporting program at the UC Berkeley Graduate School of Journalism, the Center for Investigative Reporting and KQED ; produced by Daffodil Altan and Andrés Cediel ; written by Lowell Bergman & Andrés Cediel
PBS ; a co-production of ITV Studios/Masterpiece ; produced by Chris Burt ; directors, David Drury, Matthew Evans, Nick Laughland ; writers, Nick Hicks-Beach, Helen Jenkins, Chris Murray
a co-production of Mammoth Screen and Masterpiece in association with ITV Studios ; directed by Johnny Kenton, Shaun Evans, Leanne Welham, Jamie Donoughue ; produced by Deanne Cunningham ; written and devised by Russell Lewis
a co-production of Mammoth Screen and Masterpiece in association with ITV Studios ; written and devised by Russell Lewis ; produced by James Levison ; directed by Shaun Evans, Zam Salim, Kate Saxon ; executive producers, Russell Lewis, Damien Timmer and Helen Ziegler ; executive producer for Masterpiece, Rebecca Eaton