The movie tells the story of how Robert Ford joined Jesse James' gang, only to become resentful of the legendary outlaw and hatch a plan to kill James, the fastest gun in the West.
Pitt is playing James, and Casey Affleck has been cast as Ford. Shepard will play James' brother, Frank.
The Assassination of Jesse James by the Coward Robert Ford was released September 21st, 2007 and stars Brad Pitt, Mary-Louise Parker, Brooklynn Proulx, Dustin Bollinger, Casey Affleck, Sam Rockwell, Jeremy Renner, Sam Shepard. The film is directed by Andrew Dominik.