From Wikipedia, the free encyclopedia. Steven Hill (born Solomon Krakovsky; February 24, 1922 – August 23, 2016) was an American actor. His two better-known roles are district attorney Adam Schiff on the NBC television drama series Law & Order, whom he portrayed for 10 seasons (1990–2000), and Dan Briggs, the original team leader of the Impossible Missions Force on the CBS television series Mission: Impossible, whom he portrayed in the initial season of the show (1966–1967). Description above from the Wikipedia article Paulette Goddard, licensed under CC-BY-SA, full list of contributors on Wikipedia.