Marcus Giamatti
Acting
Born 1961-10-03
New Haven, Connecticut, USA
Biography
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
Popular credits
8.6
House
Jeffrey Keener
8.4
The Mentalist
Gabriel Fanning
8.3
Criminal Minds
Dr. Barry Landman
8.4
The X-Files
John Gillnitz
8.2
Bones
Forrest Wakefield
8.1
Fringe
Ray Duffy
7.6
NCIS
Victor Tillman
7.7
CSI: Miami
Hugh Parker
8.0
S.W.A.T.
Professor Marc Lasky
6.5
Blue Lagoon: The Awakening
Principal Thomas
7.6
CSI: Crime Scene Investigation
Chevy Cigs
7.5
NCIS: Los Angeles
CIA Agent Michael Snyder
7.9
Monk
John Keyes
7.8
Blue Bloods
Gerry Gertz
7.6
Revenge
Dr. Ray Clemons
8.0
Quantum Leap
Rick Upfield
7.0
Pirates of Silicon Valley
Dan Kottke
7.5
Medium
Lance Pauling
7.8
Cold Case
Larry Kenick
7.9
The Closer
Glen Lynch