Philip Baker Hall (born September 10, 1931) is an American actor and comedian. In film, Hall played the lead roles of Richard Nixon in Robert Altman's Secret Honor (1984), Sydney Brown in Paul Thomas Anderson's Hard Eight (1996) and Arthur Pratt in Duck (2005) and on television, he is best known for playing Lt. Bookman in the Seinfeld episode The Library. Hall has received Screen Actors Guild Award nominations for his work in Anderson’s films Boogie Nights (1997) and Magnolia (1999).

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