Marcus Giamatti
Acting · 64 years old
New Haven, Connecticut, USA
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
Jeffrey Keener
The X-Files
John Gillnitz
The Mentalist
Gabriel Fanning
Criminal Minds
Dr. Barry Landman
Bones
Forrest Wakefield
Living Single
Jack Peabody
Fringe
Ray Duffy
Homicide: Life on the Street
Bernard Abrams
S.W.A.T.
Professor Marc Lasky
Quantum Leap
Rick Upfield
Bosch: Legacy
Simon Wakefield
Monk
John Keyes
Lie to Me
Fentris
The Closer
Glen Lynch
Blue Bloods
Gerry Gertz
Cold Case
Larry Kenick
CSI: Miami
Hugh Parker
Life
Zak Sutter
CSI: Crime Scene Investigation
Chevy Cigs
NCIS
Victor Tillman