Kevin Costner Hayes Ellison Director, Actor, Screenwriter, Producer Sienna Miller Frances Kittredge Actor Sam Worthington Trent Gephardt Actor Giovanni Ribisi Pickering Actor Kathleen Quinlan Actor Will Patton Owen Kittredge Actor Luke Wilson Matthew Van Weyden Actor Isabelle Fuhrman Diamond Kittredge Actor Ella Hunt Juliette Chesney Actor David O'Hara Bowler Hat Surveyor Actor Tim Guinee James Kittredge Actor Tom Payne Hugh Proctor Actor Georgia MacPhail Young Elizabeth Kittredge Actor Douglas Smith Actor Chris Conner Connell Actor Glynn Turman Actor Jon Baird Screenwriter Howard Kaplan Producer Mark Gillard Producer Robert J. Scannell Executive Producer Danny Peykoff Executive Producer Mark DeBevoise Executive Producer Armyan Bernstein Executive Producer Rod Lake Executive Producer Charlie Lyons Executive Producer Barry M. Berg Executive Producer James M. Muro Cinematographer Miklos Wright Film Editing John Debney Original Music Derek R. Hill Production Design Robert Vukasovich Art Director Bryan Hurley Set Decoration Lisa Lovaas Costume Design April Webster Casting Angela Young Casting