Maile's Restaurant (The Tremor Brothers shoot-out at the beginning of the film) is named after director Joe Carnahan's daughter, Maile.
Rockne's Plumbing (Lazlo Soot's getaway van at the beginning of the film) is named after director Joe Carnahan's son, Rockne.
Director Cameo: [Joe Carnahan] When Jack Dupree is talking about Buddy Israel it shows a bank robbery going on. For a split second you see a man with a beard and sunglasses leaning his back on a truck yelling out and holding a machine gun. This is Carnahan.
The FBI helicopter is registration N350SC and is the same helicopter that is used to deliver Nelly Furtado to the rooftop in her video "Say it Right".
The FBI helicopter N350SC is used in the Nicolas Cage movie Next (2007).
The shot with Ben Affleck in the bar, where he knocks the eight-ball in and continues with his monologue, took over 20 shots, mainly because Affleck couldn't make the shot. When he finally did make it, he couldn't say his lines because he was laughing so hard about finally making it.
The song "Ace of Spades" by the metal group Motörhead is played in the beginning of the film, introducing the Tremors, the neo-Nazi redneck bounty hunters.
The song in the final credits is "Play Your Cards Right" by Common, who also stars in the film.
All the conversations by Agent Carruthers and Agent Messner in the surveillance van scene were improvised.
The Tremor brothers car is a 1966 Pontiac Bonneville.
According to one of the DVD commentaries, director Joe Carnahan had Ryan Reynolds wear one of his contacts from The Amityville Horror (2005) in the final scene. The contact was worn on the side of his face with cuts from the climactic shoot-out.
It is the feature film debuts of both R&B artist 'Alicia Keys (I)' and rapper Common.