Michael Moriarty (born April 5, 1941) is an American actor, best known for his role on the original "Law & Order" as district attorney Ben Stone. Moriarty grew up near Detroit Michigan, and later attended the London Academy of Music and Dramatic Art on a Fulbright Scholarship. He made a successful stage career in both London and New York His first major film role was in 1973's "Bang The Drum Slowly" opposite a young Robert DeNiro. He steadily found work in film projects such as "The Last Detail" (1973), "Who'll Stop the Rain" (1978) and "Courage Under Fire" (1996). He received a Best YV Actor Golden Globe in 1979 for the miniseries "Holocaust," as well as three Emmys for his work in "Holocaust," "The Glass Menagerie" and "James Dean" (opposite James Franco as the tragic actor). He also received four Emmy nominations for "Law & Order." Moriarty is also a professional jazz pianist, who has released three albums of music.