Paul Butler (12 March 1942, Pennsylvania – 12 January 2010, Manhattan, New York) was an American character actor. He is best known for creating the role of Detective Walter Clemmons on Crime Story (1986–1988) and for stage work including A Few Good Men and Shylock in The Merchant of Venice. His notable film roles include Glengarry Glen Ross (1992), The Insider (1999), and Reign Over Me (2007).