This image released by Warner Bros. Pictures shows Kevin Costner in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Michael Rooker in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Sienna Miller in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Sam Worthington in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Jamie Campbell Bower, left, and Kevin Costner in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Owen Crow Shoe, left, and Tatanka Means in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Luke Wilson in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)
This image released by Warner Bros. Pictures shows Jena Malone in a scene from "Horizon: An American Saga-Chapter I." (Warner Bros. Pictures via AP)