Marcus Giamatti

Acting

Marcus Giamatti is an American actor, best known for being a regular member of the cast of the CBS drama series Judging Amy. He is the younger brother of actor Paul Giamatti.

Known for:

House NCIS The X-Files Criminal Minds Bones CSI: Crime Scene Investigation S.W.A.T. The Mentalist Blue Bloods The Closer Fringe Monk