Mark Boone Junior (born Mark Heidrich; March 17, 1955) is an American character actor, best known for his TV roles as Bobby Munson in Sons of Anarchy (2008–2014) and Patrick "Pat" Brown in Last Man On Earth, and film roles in Christopher Nolan's Memento (2000) and Batman Begins (2005), Die Hard 2 (1990), and 2 Fast 2 Furious (2003).