Marcus Bartlett Giamatti is an American actor, best known for being a regular member of the cast of the CBS drama series Judging Amy.
Giamatti was born in New Haven, Connecticut, and is the son of Toni Marilyn and former Yale University president and Major League Baseball commissioner A. Bartlett Giamatti, and older brother of Academy Awardnominated actor Paul Giamatti. 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. He is a graduate of the Yale School of Drama, where he received the Carole Dye Award for Excellence in Acting.
Source: Wikipedia