Passionate Productions for BBC ; produced for NOVA by Holt Productions, LLC ; WGBH Boston ; produced and directed by Jemima Harrison and Sarah Holt ; writer for the BBC, Jemima Harrison ; executive producer for the BBC, Richard Klein ; senior executive producer, Paula S. Apsell
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
[presented by] Exxon Mobile Masterpiece Theatre ; a co-production of Box Film in association with WGBH/Boston and Carlton International ; produced by Matthew Bird ; directed by Bill Anderson ; written by Andrew Davies
WGBH ; Frontline co-production with American University School of Communication's Investigative Reporting Workshop ; written, produced and directed by Rick Young
a Frontline co-production with RAINmedia, Inc. ; a production of WGBH/Boston ; written and produced by Martin Smith and Marcela Gaviria ; co-produced by Will Cohen
a Nova production by MDTV Productions for WGBH/Boston in association with ARTE France and Caldecott Productions International ; written, produced and directed by Mark Davis
produced by Primitive Entertainment and Films à Trois in co-production with the National Film Board of Canada ; produced in association with Centre National de la Cinématographie ; directed by Nick de Pencier ; narration written by Elizabeth Arledge ; produced for NOVA by Elizabeth Arldege
a Nova/WGBH, La Cinquième, Südwestrundfunk, Gedéon Programmes, Meridian, and NHK co-production ; produced for Nova by Providence Pictures, Inc. for WGBH/Boston ; written and directed by Liesl Clark