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).
who played adam schiff on law & order
Steven Hill