* ActorAllusion: Music/WaylonJennings is played in the movie by his son, Shooter.
* RealLifeRelative: Shooter Jennings is the son of Music/WaylonJennings. He even performed his father's song, "I'm A Long Way From Home".
* ThrowItIn: In a scene portraying Cash under the influence of drugs, Phoenix grabbed hold of a sink and ripped it out of the wall. This action was not in the script.