Les Mayfield Director Colin Farrell Jesse James Actor Scott Caan Cole Younger Actor Ali Larter Zee Mimms Actor Gabriel Macht Frank James Actor Gregory Smith Jim Younger Actor Harris Yulin Thaddeus Rains Actor Kathy Bates Ma James Actor Timothy Dalton Allan Pinkerton Actor Will McCormack Bob Younger Actor Ronny Cox Doc Mimms, Zee's Dad Actor Terry O'Quinn Rollin H. Parker, Rain's Gopher Actor Nathaniel Arcand Comanche Tom Actor Roderick Taylor Screenwriter John Rogers Writer Jonathan A. Zimbert Executive Producer James G. Robinson Producer Bill Gerber Producer Art Schaeffer Co-Producer Wayne Morris Co-Producer David Robinson Co-Producer Trevor Rabin Original Music Russell Boyd Cinematographer Cary White Production Design John Frick Production Design Michael Tronick Film Editing Luke Reichle Costume Design Pam Dixon Casting