Philip Baker Hall (born September 10, 1931) is an American actor. In film, Hall has portrayed the lead roles of President Richard Nixon in Robert Altman's Secret Honor (1984), Arthur Pratt in Duck (2005), and Sydney in Paul Thomas Anderson's Hard Eight (1996), later collaborating with Anderson on Boogie Nights (1997) and Magnolia (1999). He is also known for his portrayal of Lieutenant Bookman, Library Cop on Seinfeld. Description above from the Wikipedia article Philip Baker Hall, licensed under CC-BY-SA, full list of contributors on Wikipedia.