Daniel and Bernardo teamed up with Andrew Pacheco of the Apache tribe who acted as cultural consultant and provided art direction in the latter half of the film.
The scene in the apartment was shot next door to Daniel and Bernardo's apartment. The mother and the grandfather are still living there.
One of the Indigenous Shaman is actor Geronimo Vela, a Chiricahua Apache and a direct descendant to Geronimo.