Marcus Giamatti

Known for: Acting

Born: 1961-10-03 (age 64)

From: 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.

Filmography (53)

TV★ 7.9
Bosch: Legacy
2022
as Simon Wakefield
TV★ 8.0
S.W.A.T.
2017
as Professor Marc Lasky
TV★ 7.1
Get Shorty
2017
MOVIE★ 4.7
The Curse of Downers Grove
2015
as Rich
TV★ 7.1
Big Time in Hollywood, Fl
2015
as Detective Jim Zdorkin
TV★ 6.1
CSI: Cyber
2015
as Artie Sneed
MOVIE★ 6.5
Starving in Suburbia
2014
as Michael
TV★ 7.5
Mighty Med
2013
as Sonic Shriek
TV★ 7.2
Perception
2012
as Joel (Conley's Agent)
MOVIE★ 6.5
Blue Lagoon: The Awakening
2012
as Principal Thomas
TV★ 6.8
Common Law
2012
as Derek Winfield
TV★ 6.6
The Exes
2011
as Don
TV★ 7.6
Revenge
2011
as Dr. Ray Clemons
TV★ 7.3
Franklin & Bash
2011
as Golf Club Owner
TV★ 7.8
Blue Bloods
2010
as Gerry Gertz
TV★ 7.2
The Defenders
2010
as Lawyer
MOVIE★ 4.4
The Chosen One
2010
as Freddy
TV★ 7.5
NCIS: Los Angeles
2009
as CIA Agent Michael Snyder
TV★ 7.9
Lie to Me
2009
as Fentris
TV★ 8.4
The Mentalist
2008
as Gabriel Fanning
TV★ 8.1
Fringe
2008
as Ray Duffy
MOVIE★ 5.1
On the Doll
2007
as Uncle Lou
TV★ 7.7
Life
2007
as Zak Sutter
TV★ 8.3
Criminal Minds
2005
as Dr. Barry Landman
TV★ 8.2
Bones
2005
as Forrest Wakefield
TV★ 7.9
The Closer
2005
as Glen Lynch
TV★ 7.5
Medium
2005
as Lance Pauling
TV★ 8.6
House
2004
as Jeffrey Keener
TV★ 7.8
Cold Case
2003
as Larry Kenick
TV★ 7.6
NCIS
2003
as Victor Tillman
TV★ 7.7
CSI: Miami
2002
as Hugh Parker
TV★ 8.0
Monk
2002
as John Keyes
TV★ 7.2
Crossing Jordan
2001
as Donald Hagen
MOVIE★ 5.6
The Business of Strangers
2001
as Robert
MOVIE★ 4.4
Hamlet
2000
as Guildenstern
TV★ 7.6
CSI: Crime Scene Investigation
2000
as Chevy Cigs
MOVIE★ 5.9
Judy Berlin
1999
as Eddie Dillon
TV★ 7.5
Judging Amy
1999
as Peter Gray
MOVIE★ 7.0
Pirates of Silicon Valley
1999
as Dan Kottke
MOVIE★ 5.2
Jimmy Hollywood
1994
as BMW Preppie
MOVIE★ 5.6
3 Ninjas Kick Back
1994
as Announcer
TV★ 7.0
Monty
1994
TV★ 8.4
The X-Files
1993
as John Gillnitz
TV★ 8.1
Living Single
1993
as Jack Peabody
TV★ 8.1
Homicide: Life on the Street
1993
as Bernard Abrams
TV★ 5.1
Flying Blind
1992
as Ted Sharperson
MOVIE★ 5.5
Necessary Roughness
1991
as Sargie 'Fumblina' Wilkinson
MOVIE★ 5.9
Aftermath: A Test of Love
1991
as Luke
MOVIE★ 6.1
Mr. & Mrs. Bridge
1990
as Gil Davis
TV★ 7.0
Dream On
1990
as Salesman
TV★ 8.0
Quantum Leap
1989
as Rick Upfield
TV★ 7.1
Hunter
1984
as Jack Kane
MOVIE
Is It Time?
—
as Frank