Peter Riegert

Actor, known for Law & Order: Special Victims Unit, Seinfeld, The Sopranos

Peter Riegert (born April 11, 1947) is an American stage and screen actor, writer, and director. He notable film roles include Donald "Boon" Schoenstein in Animal House (1978), oil company executive "Mac" MacIntyre in Local Hero (1983), pickle store owner Sam Posner in Crossing Delancey (1988), and Lt. Mitch Kellaway…