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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
Bones
2005
NCIS
2003
House
2004
CSI: Crime Scene Investigation
2000
The Mentalist
2008
Criminal Minds
2005
The X-Files
1993
CSI: Miami
2002
NCIS: Los Angeles
2009
S.W.A.T.
2017
Crossing Jordan
2001
Blue Bloods
2010
Monk
2002
Fringe
2008
Cold Case
2003
The Closer
2005
Medium
2005
Quantum Leap
1989
Revenge
2011
Homicide: Life on the Street
1993
Judging Amy
1999
Perception
2012
Life
2007
Franklin & Bash
2011
Hunter
1984
Bosch: Legacy
2022
CSI: Cyber
2015
Get Shorty
2017
The Exes
2011
Mighty Med
2013