Marcus Giamatti
Biography
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.
Movie Appearances
Pirates of Silicon Valley
as Dan Kottke
1999
The Business of Strangers
as Robert
2001
Judy Berlin
as Eddie Dillon
1999
The Chosen One
as Freddy
2010
3 Ninjas Kick Back
as Announcer
1994
Hamlet
as Guildenstern
2000
The Curse of Downers Grove
as Rich
2015
Starving in Suburbia
as Michael
2014
Mr. & Mrs. Bridge
as Gil Davis
1990
Jimmy Hollywood
as BMW Preppie
1994
On the Doll
as Uncle Lou
2007
Blue Lagoon: The Awakening
as Principal Thomas
2012
Necessary Roughness
as Sargie 'Fumblina' Wilkinson
1991
Is It Time?
as Frank
TBA
Aftermath: A Test of Love
as Luke
1991
TV Appearances
Medium
as Lance Pauling
2005
CSI: Crime Scene Investigation
as Chevy Cigs
2000
Judging Amy
as Peter Gray
1999
Monk
as John Keyes
2002
Cold Case
as Larry Kenick
2003
Crossing Jordan
as Donald Hagen
2001
Life
as Zak Sutter
2007
Quantum Leap
as Rick Upfield
1989
Criminal Minds
as Dr. Barry Landman
2005
Flying Blind
as Ted Sharperson
1992
The X-Files
as John Gillnitz
1993
The Mentalist
as Gabriel Fanning
2008