Mark Alan Ruffalo (/ˈrʌfəloʊ/; born November 22, 1967) is an American actor. He began acting in the early 1990s and first gained recognition for his work in Kenneth Lonergan's play This Is Our Youth (1996) and drama film You Can Count on Me (2000). He went on to star in the romantic comedies 13 Going on 30 (2004), Just like Heaven (2005) and the thrillers In the Cut (2003), Zodiac (2007), and Shutter Island (2010).