According to Variety, Casey Affleck will play the infamous Robert Ford in Warner Bros.' adaptation of Robert Hansen novel The Assassination of Jesse James by the Coward Robert Ford. Pic, which shoots in two weeks, will be directed by Andrew Dominik (Chopper). Brad Pitt's Plan B and Ridley and Tony Scott's Scott Free produce.

Pitt plays famed gunslinger James in the period oater. Ford is a youth who joined the James gang and went from idolizing to resenting the man known as the fastest gun in the West. He figured on making his rep by gunning down James but shot his mentor in the back, stamping himself the most famous coward around.

Affleck, the younger brother of his Good Will Hunting co-star Ben Affleck, will next be seen in DreamWorks pic The Last Kiss.

WB's Kevin McCormick is overseeing the Western, which will likely go by shortened title "The Assassination of Jesse James."