Marcus Giamatti

Marcus Giamatti

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.

Filmography

NCIS
NCIS
2003 · TV
as Victor Tillman
The Mentalist
The Mentalist
2008 · TV
as Gabriel Fanning
Criminal Minds
Criminal Minds
2005 · TV
as Dr. Barry Landman
Bones
Bones
2005 · TV
as Forrest Wakefield
House
House
2004 · TV
as Jeffrey Keener
CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
2000 · TV
as Chevy Cigs
S.W.A.T.
S.W.A.T.
2017 · TV
as Professor Marc Lasky
CSI: Miami
CSI: Miami
2002 · TV
as Hugh Parker
Monk
Monk
2002 · TV
as John Keyes
Blue Bloods
Blue Bloods
2010 · TV
as Gerry Gertz
Medium
Medium
2005 · TV
as Lance Pauling
The X-Files
The X-Files
1993 · TV
as John Gillnitz
NCIS: Los Angeles
NCIS: Los Angeles
2009 · TV
as CIA Agent Michael Snyder
Fringe
Fringe
2008 · TV
as Ray Duffy
The Closer
The Closer
2005 · TV
as Glen Lynch
Crossing Jordan
Crossing Jordan
2001 · TV
as Donald Hagen
Cold Case
Cold Case
2003 · TV
as Larry Kenick
Quantum Leap
Quantum Leap
1989 · TV
as Rick Upfield
Judging Amy
Judging Amy
1999 · TV
as Peter Gray
Revenge
Revenge
2011 · TV
as Dr. Ray Clemons
Lie to Me
Lie to Me
2009 · TV
as Fentris
Homicide: Life on the Street
Homicide: Life on the Street
1993 · TV
as Bernard Abrams
Hunter
Hunter
1984 · TV
as Jack Kane
CSI: Cyber
CSI: Cyber
2015 · TV
as Artie Sneed