Reindeer Games (2000)

Just released from prison, all Rudy Duncan (Ben Affleck) wants is to start a new life with Ashley (Charlize Theron), the girl of his dreams, whom he met through pen pal letters in prison. But between them and happiness stands her crazy brother, Gabriel (Gary Sinise), and his motley crue of deadly criminals who think Rudy has some inside information about a casino where he once had a job -- a casino Gabriel and his short-fused posse plan to take down.