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.
The Mentalist
Series • 2008
House
Series • 2004
Monk
Series • 2002
Criminal Minds
Series • 2005
Medium
NCIS
Series • 2003
CSI: Crime Scene Investigation
Series • 2000
Bones
The X-Files
Series • 1993
CSI: Miami
Blue Bloods
Series • 2010
NCIS: Los Angeles
Series • 2009
S.W.A.T.
Series • 2017
Fringe
The Closer
Cold Case
Quantum Leap
Series • 1989
Crossing Jordan
Series • 2001
Judging Amy
Series • 1999
Homicide: Life on the Street
Revenge
Series • 2011
Lie to Me
Perception
Series • 2012
Hunter
Series • 1984
Franklin & Bash
Living Single
Life
Series • 2007
Bosch: Legacy
Series • 2022
Dream On
Series • 1990
The Exes