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 production by New Wrinkle, Inc. ; WGBH Educational Foundation ; written and directed by Joseph Seamans ; produced by Joseph Seamans [and] Janet Driscoll Smith
[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
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
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
a Nova production by Hamilton Land & Cattle, Inc. for WGBH-Boston ; WGBH Educational Foundation ; Written and produced by Doug Hamilton ; associate producer: Solana Pyne