Rebecca Neuenswander sprained a ligament in her neck and was unable to film the final fight scene during principal photography; the scene wasn't shot until post-production.
The owner of the hotel featured in the opening scene was apprehensive about letting the crew film there, assuming they were producing pornography.
The pick-up that Dublin tries to hot wire is a 1980s Isuzu P'up owned by the producer Bobby McGee.
The bar Dublin recovers from being maced in is the All Stars Gentlemen's Club in Lawrence, Kansas.
During the police raid scene, Rebecca Neuenswander accidentally injured an extra when she jumped out of the ring and kicked her in the back.