Trivia: When Eli and Solara are in his room for the night there is a movie poster on the wall behind them for a similar post apocalyptic movie. "A Boy and His Dog". In Eli the survivors protect themselves from the sun's rays and in "A Boy and His Dog" they flee underground to hide from the sun.
Trivia: Josh Brolin cut his hair with a knife in order to accentuate Tom Chaney's unkempt look.