Son of Bart Giamatti, late president of Yale University, major league baseball commissioner and nemesis of Pete Rose.
He is the younger brother of Marcus Giamatti.
In the 1998 remake of Doctor Dolittle (1998), Paul portrayed a human in charge of a talking orangutan, in the 2001 remake of Planet of the Apes (2001), he portrays a talking orangutan in charge of humans.
His paternal grandfather was of Italian descent. His other ancestry is German, English, Dutch, Irish, Scottish, and French.
Voice talent for Tiger Woods headcover in a series of Nike Golf commercials.
His life ambition was to star in a crime caper with Robert Duvall and John Hurt (who died in 2017). Paul planned on contacting the two stars with his idea should Sideways (2004) have won Best Picture at the Academy Awards.
Often plays roles based on real people - Private Parts (1997), Winchell (1998), Man on the Moon (1999), American Splendor (2003), Cinderella Man (2005), John Adams (2008) and Too Big to Fail (2011).
Graduated from Choate Rosemary Hall.
Graduated from Yale University with a degree in English.
Graduated from the Yale University School of Drama with a master's degree in drama.
In Sideways (2004) his character, Miles, looks at a picture of himself as a younger man standing with a man in sunglasses. This is a photo of Paul Giamatti with his father, A. Bartlett Giamatti (Bart Giamatti).
Has appeared in three remakes, Sabrina (1995), Doctor Dolittle (1998), and Planet of the Apes (2001).
Was listed as a potential nominee on the both the 2003 and 2007 Razzie Award nominating ballots. He was listed as a suggestion in the Worst Supporting Actor category on the 2003 ballot for his performance in the film Big Fat Liar (2002) and in the Worst (Leading) Actor category for his performance in the film Lady in the Water (2006). He failed to receive either nomination.
Despite his portrayal of the character Miles in Sideways (2004) and Miles' passion for Pinot Noir, Giamatti himself admits that he has very little knowledge of wines and is not much of a fan of them.
During the shooting of The Hawk Is Dying (2006), which is mainly about his character and a Red-Tailed Hawk, Giamatti became a raptor (birds of prey) enthusiast.
His father, Bart Giamatti died in 1989, while still in office as Commissioner of Major League Baseball.
Has one child, a boy named Samuel, born in 2001, with his wife, Elizabeth Giamatti.
Ex-brother-in-law of Kathryn Meisle.
He is a Boston Red Sox fan.
Has starred in three films (Private Parts (1997), American Splendor (2003) and Man on the Moon (1999) that feature characters who appear on Late Show with David Letterman (1993) and a fourth, Storytelling (2001), that starred Conan O'Brien, who hosted "Late Night" after Letterman moved to his own show on CBS.
Is a big fan of science-fiction.
Lived in Seattle, WA, for a brief period after college.
Russell Crowe stated in an interview that working with Giamatti in Cinderella Man (2005) was one of his favorite experiences in show business.
In his senior year at Yale University he was elected to the Skull and Bones secret society.
The Brooklyn Academy of Music asked Giamatti, its "2007 BAM Cinema Club Chair", to pick films for an eight-movie series called "Paul Giamatti Selects" and shown at the Academy in August and September 2007. His selections indicated a taste for paranoia and "the darkest of dark comedy", according to a writer for The New York Times. Giamatti chose: Frenzy (1972), Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb (1964), Brewster McCloud (1970), The Big Clock (1948), The Seventh Victim (1943), Dawn of the Dead (1978), Seconds (1966), and Invasion of the Body Snatchers (1978).
Lives in Brooklyn, New York.
He and his wife, Elizabeth Giamatti, own a home in Venice, California.
He has twice portrayed an actual President of the United States. Firstly, the title role in John Adams (2008), the second President of the United States. Secondly, the role of Theodore Roosevelt (voice), the twenty-sixth President of the United States in The Roosevelts: An Intimate History (2014).
As of 2014, has appeared in three films that were nominated for the Best Picture Oscar: Saving Private Ryan (1998), Sideways (2004) and 12 Years a Slave (2013). Only the latter won in the category.