The budget for "Appaloosa" was $20 million and filming took place from October 1, 2007 to November 24, 2007 around Albuquerque and Santa Fe, New Mexico, and Austin, Texas.
The Upsetters in origine erano gli elementi del gruppo del pianista Gladstone Anderson ("Gladdy"), i Gladdy's All-Stars, autori di successi internazionali quali "Live Injection" e "Return Of Django".