Barry Levinson is an American screenwriter, film director, actor, and producer of film and television.
After some success as a screenwriter (?Silent Movie? (1976), ?High Anxiety? (1977) ?…And Justice for All? (1979)), Levinson began his directorial career as a director with ?Diner? (1982), for which he had also written the script and which earned him a Best Screenplay Oscar nomination.
Levinson’s biggest hit, both critically and financially, was ?Rain Man? (1988) with Dustin Hoffman and Tom Cruise (in which he also appeared as an antagonistic doctor). The film won four Academy Awards including Best Director for Levinson. Other notable films in his directing career were ?The Natural? (1984), ?Good Morning, Vietnam? (1987) and ?Toys? (1992), both with Robin Williams, and ?Bugsy? (1991) with Warren Beatty.
Levinson published his first novel, ?Sixty-Six?, in 2003. Like several of his films, it is semi-autobiographical and set in Baltimore in the early 1960s.
Source - http://en.wikipedia.org/wiki/Barry_Levinson