Marcus Bartlett Giamatti is an American actor, best known for being a regular member of the cast of the Columbia Broadcasting System drama series Judging Amy.
Background
Giamatti was born in New Haven, Connecticut, and is the son of Toni Marilyn (née Smith) and former Yale University president and Major League Baseball commissioner A. Bartlett Giamatti, and older brother of Academy Award-nominated actor Paul Giamatti.
Education
He attended The Foote School, Hopkins School, Bowdoin College in Brunswick, Maine, where he was a member of the Delta Kappa Epsilon and Delta Sigma fraternities, and finally Yale University in New Haven, Connecticut.
Career
Giamatti started his career on the soap opera One Life to Live, but is likely best known for his series regular role on the Columbia Broadcasting System drama series Judging Amy, where he played the title character"s older brother Peter Gray throughout the series" six season run. He has also guest-starred on a number of popular series, such as The X-Files, Homicide: Life on the Street, Monk, The Mentalist, House Doctor of Medicine and Criminal Minds. He has less frequently appeared in films, which include Mr. and Mistress
Bridge, Necessary Roughness, and the television docudrama Pirates of Silicon Valley.
Giamatti tossed the ceremonial first pitch at the 1989 World Series opener, played in Oakland, California. From 2010-2014, he has guest starred on a number of series including Fringe, The Closer, Revenge, Bones and NCIS: Los Los Angeles
Membership
He is also a session musician and is a member of Musicians Local 47.