His last significant film appearances were in very minor roles in features such as Jeanne Eagels (1957), Ice Palace (1960), and The Rise and Fall of Legs Diamond (1960).
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Rothstein was portrayed by several actors in films: By Robert Lowery in the 1960, The Rise and Fall of "Legs" Diamond; by David Janssen in the 1961, King of the Roaring 20's - The Story of Arnold Rothstein (aka The Big Bankroll); by Michael Lerner in the 1988, Eight Men Out, based on the Black Sox Scandal; and by F. Murray Abraham, in the 1991 Mobsters.
After leaving Legs Diamond, he played drums on hip hop act Boo-Yaa T.R.I.B.E.'s albums Metally Disturbed and Angry Samoans and toured Europe with them.