Detachment is a 2011 American drama film directed by Tony Kaye and distributed by Tribeca Film. It was written by Carl Lund. Its story follows Henry Barthes, a high-school substitute teacher who becomes a role model to his students and others. It stars Adrien Brody, Marcia Gay Harden, Christina Hendricks, William Petersen, Bryan Cranston, Tim Blake Nelson, Betty Kaye, Sami Gayle, Lucy Liu, Blythe Danner, and James Caan.
(Summary from Wikipedia)