Question: In what film was the first leading role for Amber Heard, who had a small role in Nick Cassavetes' 2006 crime film?
Sentence (from "Alpha Dog"): Alpha Dog is a 2006 American crime drama film written and directed by Nick Cassavetes, first screened at the Sundance Film Festival on January 27, 2006, with a wide release the following year on January 12, 2007.
Relevant evidence: Yes