Dennis Franz Schlachta (born October 28, 1944) is an American actor best known for his role as Andy Sipowicz, a hard boiled police detective in the television series NYPD Blue. He previously appeared as Lt. Norman Buntz on Hill Street Blues, and earlier played Detective Benedetto, a corrupt cop also on HSB.
Their titles like Die Hard 2, City of Angels, and Blow Out - their biggest roles first.
Last updated: June 14, 2026