Acting

Marcus Giamatti

Born 1961-10-03 · 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.

Credits

Newest first

Echoes of Tomorrow
as Frank Thompson (segment "Segment #1")
2026
Bosch: Legacy
as Simon Wakefield
2022
S.W.A.T.
as Professor Marc Lasky
2017
Get Shorty
2017
The Curse of Downers Grove
as Rich
2015
Big Time in Hollywood, Fl
as Detective Jim Zdorkin
2015
CSI: Cyber
as Artie Sneed
2015
Starving in Suburbia
as Michael
2014
Mighty Med
as Sonic Shriek
2013
Perception
as Joel (Conley's Agent)
2012
Blue Lagoon: The Awakening
as Principal Thomas
2012
Common Law
as Derek Winfield
2012
The Exes
as Don
2011
Revenge
as Dr. Ray Clemons
2011
Franklin & Bash
as Golf Club Owner
2011
Blue Bloods
as Gerry Gertz
2010
The Defenders
as Lawyer
2010
The Chosen One
as Freddy
2010
NCIS: Los Angeles
as CIA Agent Michael Snyder
2009
Lie to Me
as Fentris
2009
The Mentalist
as Gabriel Fanning
2008
Fringe
as Ray Duffy
2008
On the Doll
as Uncle Lou
2007
Life
as Zak Sutter
2007
Criminal Minds
as Dr. Barry Landman
2005
Bones
as Forrest Wakefield
2005
The Closer
as Glen Lynch
2005
Medium
as Lance Pauling
2005
House
as Jeffrey Keener
2004
Cold Case
as Larry Kenick
2003
NCIS
as Victor Tillman
2003
CSI: Miami
as Hugh Parker
2002
Monk
as John Keyes
2002
Crossing Jordan
as Donald Hagen
2001
The Business of Strangers
as Robert
2001
Hamlet
as Guildenstern
2000
CSI: Crime Scene Investigation
as Chevy Cigs
2000
Judy Berlin
as Eddie Dillon
1999
Judging Amy
as Peter Gray
1999
Pirates of Silicon Valley
as Dan Kottke
1999
Jimmy Hollywood
as BMW Preppie
1994
3 Ninjas Kick Back
as Announcer
1994
Monty
1994
The X-Files
as John Gillnitz
1993
Living Single
as Jack Peabody
1993
Homicide: Life on the Street
as Bernard Abrams
1993
Flying Blind
as Ted Sharperson
1992
Necessary Roughness
as Sargie 'Fumblina' Wilkinson
1991
Aftermath: A Test of Love
as Luke
1991
Mr. & Mrs. Bridge
as Gil Davis
1990
Dream On
as Salesman
1990
Quantum Leap
as Rick Upfield
1989
Hunter
as Jack Kane
1984
Is It Time?
as Frank
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