a co-production of David Sutherland Productions, Inc. and Frontline in association with the Independent Television Service ; written, produced, directed and edited by David Sutherland
a Nova production co-produced by Pioneer Film and Television Productions Limited with China International TV Corporation with CCTV-10 and PAAN Media Holdings Co. Limited, with KBS Korea in association with PBSd, for WGBH and KBS ; series director, Kate Dart ; senior series producer, Melanie Wallace
written, produced and directed by Deborah Scranton ; a Clover and a Bee Films production for WGBH/Frontline and the Independent Television Service ; WGBH Educational Foundation