National Geographic Documentary Films presents ; a Terra Mater Factual Studios production ; in association with Appian Way, Malaika Pictures, the Wild Lens Collective ; a film by Richard Ladkani ; directed by Richard Ladkani ; produced by Walter Köhler, Wolfgang Knöpfler
presented and written by Henry Louis Gates, Jr. ; produced and directed by Ilana Trachtman ; a production of Inkwell Films, Wall to Wall Media LTD and Thirteen
host & co-writer, Josh Bernstein ; series producer, Brendan Goeckel ; directed, produced & written by Brendan Goeckel ; produced by JWM Productions, LLC for the History Channel
a NOVA production in association with Night Fire Films and ARTE France ; written and directed by David Lebrun ; produced for Nova and narration by Sarah Holt ; produced by Rosey Guthrie and David Lebrun ; edited by Nathan Hendrie, David Lebrun, and Eric Marin
coordinación general: Martín Almaraz Moreno ; investigación, Francisca Miranda Silva ; diseño y programación, Hector Alberto Figueroa C. ; realizado por el Canal 22
Les Films du Village ... [and others] present ; a film by Ana Vivas and Rodrigo Castaño Valencia ; director, Ana Vivas and Rodrigo Castaño Valencia ; producer, Yves Billon
Art21 presents ; a production of Art21, Inc. ; directors, Deborah Dickson, Stanley Nelson, Pamela Mason Wagner ; producers, Veronique Bernard, Ian Forster, Nick Ravich