The painting in the saloon is a parody of Edouard Manet's famous "Dejeuner Sur L'Herbe" (itself a copy of Raimondi's engraving "The Judgment of Paris"), with the setting changed to the prairies, and buffaloes and tepees in the background.
Scott Reynolds did some re-writing on the script, mostly concentrated on some action sequences and a lot of the dialogue for the actors. Reynolds was especially proud of some of the evil lines he wrote for The Colonel (Danny Huston).
Dong-Gun Jang's first Hollywood movie.
Sngmoo Lee's directorial debut.
Originally titled "Laundry Warrior".