a film by McGree Media, Inkwell Films & Kunhardt Film in association with Nutopia ; series producer, Graeme Hart ; produced and directed by Karen McGann ; with Henry Louis Gates Jr
Newmarket Films ; Mod Producciones ; Himenóptero ; Telecinco Cinema present, with the participation of Canal+ España and the support of I.C.A.A., Ministerio de Cultura-Gobierno de España ; a Mod Producciones, Himenóptero, Telecinco Cinema production ; directed by Alejandro Amenábar ; written by Alejandro Amenábar, Mateo Gil ; produced by Fernando Bovaira, Álvaro Augustin
a presentation of WNET, New York ; Public Affairs Television ; written by Bill Moyers, Elena Mannes, and Greg Pratt ; directed and produced by Elena Mannes, Gail Pellett, and Greg Pratt