Paul Edward Valentine Giamatti (born 1967) is an American actor best known for ''{{Sideways}}'', ''Series/JohnAdams'', ''ComicBook/AmericanSplendor'', and a slew of HeyItsThatGuy roles in other films. His brother Marcus Giamatti is also an actor, and was a regular on ''Series/JudgingAmy''. Their father A. Bartlett "Bart" Giamatti was president of [[IvyLeague Yale University]] from 1978 to 1986 and became commissioner of [[UsefulNotes/{{Baseball}} Major League Baseball]] about five months before dying in 1989; his death came only eight days after he banned Pete Rose from MLB for betting on games.

!!This actor provides examples of the following tropes:

* TheDanza: Played a character named Paul Giamatti in ''Cold Souls''.
* IdenticalStranger: Has reported being mistaken for Rob Schneider ("My kids loved you in ''TheAnimal''!")
* LargeHam: Has a tendency to play one of these. See ''Series/JohnAdams'', ''Film/ShootEmUp'' and ''{{Ironclad}}'' for just three examples.

!! Partial filmography:

* ''VideoGame/{{Ripper}}'' (1996)
* ''[[Creator/HowardStern Private Parts]]'' (1997)
* ''MyBestFriendsWedding'' (1997)
* ''Film/TheTrumanShow'' (1998)
* ''Film/SavingPrivateRyan'' (1998)
* ''Film/ManOnTheMoon'' (1999)
* ''Film/BigMommasHouse'' (2000)
* ''{{Duets}}'' (2000)
* ''PlanetOfTheApes'' (2001)
* ''Film/BigFatLiar'' (2002)
* ''ComicBook/AmericanSplendor'' (2003)
* ''{{Paycheck}}'' (2003)
* ''{{Sideways}}'' (2004)
* ''WesternAnimation/{{Robots}}'' (2005) (voice)
* ''CinderellaMan'' (2005)
* ''Film/TheIllusionist'' (2006)
* ''Film/LadyInTheWater'' (2006)
* ''TheAntBully'' (2006) (voice)
* ''Film/ShootEmUp'' (2007)
* ''FredClaus'' (2007)
* ''{{Duplicity}}'' (2009)
* ''BarneysVersion'' (2010)
* ''WinWin'' (2011)
* ''Film/{{Ironclad}}'' (2011)
* ''TheHangover Part II'' (2011)
* ''Film/TheIdesOfMarch'' (2011)
* ''Film/RockOfAges'' (2012)
* ''Film/{{Cosmopolis}}'' (2012)
* ''JohnDiesAtTheEnd'' (2012)
* ''Film/TwelveYearsASlave'' (2013)
* ''Film/SavingMrBanks'' (2013)
* ''Series/DowntonAbbey'' (2013) (1 episode)
* ''Film/TheAmazingSpiderMan2'' (2014)
* ''Film/TheCongress'' (2014)
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