The History Channel ; written and produced by Dean Vallas ; producer, Bruce Nash ; created by Bruce Nash ; produced by Actuality Productions, Inc. ; Hearst Entertainment
produced by Actuality Productions Inc., in association with Hearst Entertainment Television for the History Channel ; executive producer, Don Cambou ; producer, Bruce Nash ; written and produced by Luke Ellis
written and produced by Noah Morowitz ; producer, Bruce Nash ; Jaffe Productions in association with the Actuality Productions, Inc. for the History Channel ; a presentation of Hearst Entertainment ; A&E Television Networks
Jaffe Productions in association with Hearst Entertainment Television ; A&E Home Video ; the History Channel ; producer, Bruce Nash, written and produced by Andy Thomas