Brian Thomas Helgeland (born January 17, 1961) is an American screenwriter, film producer and director. He is most known for writing the screenplays for ''L.A. Confidential'' (for which he received an Academy Award), ''Mystic River'', and ''A Nightmare on Elm Street 4: The Dream Master''. Helgeland wrote and directed ''42'' (2013), a biopic of Jackie Robinson.
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