produced by Gregory Henry ; directed by Peter Schnall, Gregory Henry, David Shadrack Smith ; series producer, Stephen Stept ; written by Gregory Henry, David Shadrack Smith ; produced by Partisan Pictures for the History Channel
MAHA Productions & ARTE France avec le Soutien de la rēgion Ile-de-France présentent ; un film de Jean-Christophe Klotz et Fabrizio Calvi ; produit par Denis Poncet ; réalisé par Jean-Christophe Klotz ; ecrit par Fabrizio Calvi ; une sórie coproduite par MAHA Productions ; producteur délégué, Denis Poncet et ARTE France Unité de programmes documentaires
PBS ; a production of KERA ; produced in association with Once TV-Mexico City ; produced by Andrea Boardman, Ginny Martin, Rob Tranchin ; written by Rob Tranchin ; directed by Ginny Martin
presented by Porchlight Entertainment ; produced & directed by Bruce D. Johnson ; written by Jean-Pierre Isbouts, Bruce D. Johnson ; produced by David Paradine Television, Porchlight Entertainment, Pantheon Productions for the History Channel