Born October 3, 1961
New Haven, Connecticut, USA
53 credits
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.
NCIS
2003 · ★ 7.6
The Mentalist
2008 · ★ 8.4
House
2004 · ★ 8.6
Bones
2005 · ★ 8.2
Criminal Minds
2005 · ★ 8.3
CSI: Crime Scene Investigation
2000 · ★ 7.6
CSI: Miami
2002 · ★ 7.7
The X-Files
1993 · ★ 8.4
S.W.A.T.
2017 · ★ 8.1
Monk
2002 · ★ 7.9
Fringe
2008 · ★ 8.1
Blue Bloods
2010 · ★ 7.8
NCIS: Los Angeles
2009 · ★ 7.5
The Closer
2005 · ★ 7.9
Cold Case
2003 · ★ 7.8
Medium
2005 · ★ 7.5
Hunter
1984 · ★ 7.1
Revenge
2011 · ★ 7.6
Crossing Jordan
2001 · ★ 7.2
Homicide: Life on the Street
1993 · ★ 8.1
Lie to Me
2009 · ★ 7.9
Quantum Leap
1989 · ★ 8.0
Judging Amy
1999 · ★ 7.5
Life
2007 · ★ 7.7
Bosch: Legacy
2022 · ★ 7.9
Perception
2012 · ★ 7.2
Franklin & Bash
2011 · ★ 7.3
Living Single
1993 · ★ 8.0
CSI: Cyber
2015 · ★ 6.1
The Exes
2011 · ★ 6.7
Dream On
1990 · ★ 7.0
Get Shorty
2017 · ★ 7.1
The Defenders
2010 · ★ 7.1
Blue Lagoon: The Awakening
2012 · ★ 6.5
Mighty Med
2013 · ★ 7.5
Common Law
2012 · ★ 6.9
Flying Blind
1992 · ★ 5.1
Monty
1994 · ★ 7.0
3 Ninjas Kick Back
1994 · ★ 5.6
Big Time in Hollywood, Fl
2015 · ★ 7.1
Pirates of Silicon Valley
1999 · ★ 7.0
Starving in Suburbia
2014 · ★ 6.5
Necessary Roughness
1991 · ★ 5.5
Jimmy Hollywood
1994 · ★ 5.2
Mr. & Mrs. Bridge
1990 · ★ 6.1
The Chosen One
2010 · ★ 4.4
On the Doll
2007 · ★ 5.1
The Business of Strangers
2001 · ★ 5.5
Hamlet
2000 · ★ 4.4
The Curse of Downers Grove
2015 · ★ 4.7
Aftermath: A Test of Love
1991 · ★ 5.9
Judy Berlin
1999 · ★ 5.9
Is It Time?
— · ★ 0.0