In 2008, Sylvester Stallone was planning to direct and star in an adaptation of Peter Craig's novel "Blood Father".
The movie Lydia is watching in the theater is Assaut sur le central 13 (2005), which was directed by Jean-François Richet.
Raoul Max Trujillo has worked with Mel Gibson before. He played a major role as the chief warrior in Apocalypto (2006), which was directed by Gibson.
Elisabeth Röhm filmed a role as Ursula, Lydia's mother, and John's ex, but her scenes were cut from the film.