Check out the new Horizon: An American Saga trailer. Horizon: An American Saga Chapters One and Two is a multi-faceted chronicle covering the Civil War expansion and settlement of the American West. Horizon: An American Saga is directed by Kevin Costner and also stars Costner, who co-writes with Jon Baird (“The Explorers Guild”) and produces through his Territory Pictures. Costner stars alongside an ensemble cast that includes Sienna Miller, Sam Worthington, Jena Malone, Owen Crow Shoe, Tatanka Means, Ella Hunt, Tim Guinee, Danny Huston, Colin Cunningham, Scott Haze, Tom Payne, Abbey Lee, Michael Rooker, Will Patton, Georgia MacPhail, Douglas Smith, Luke Wilson, Isabelle Fuhrman, Jamie Campbell Bower, Alejandro Edda, Wasé Winyan Chief, Michael Anganaro, Angus Macfadyen, Jon Beavers, Alex Nibley, Kathleen Quinlan, Etienne Kellici, Amos Jason Charging Cloud, Bodhi Okuma Linton, Gregory Cruz, James Russo, Jeff Fahey, David O’Hara, Chris Conner, Leroy M. Silva, Bernardo Velasco, Tom Ever...