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 (54 titles)
MovieEchoes of Tomorrow
Frank Thompson (segment "Segment #1") · 2026
8.0ShowBosch: Legacy
Simon Wakefield · 2022
8.0ShowS.W.A.T.
Professor Marc Lasky · 2017
7.1ShowGet Shorty
2017
4.6MovieThe Curse of Downers Grove
Rich · 2015
7.0ShowBig Time in Hollywood, Fl
Detective Jim Zdorkin · 2015
6.1ShowCSI: Cyber
Artie Sneed · 2015
6.5MovieStarving in Suburbia
Michael · 2014
7.5ShowMighty Med
Sonic Shriek · 2013
7.2ShowPerception
Joel (Conley's Agent) · 2012
6.5MovieBlue Lagoon: The Awakening
Principal Thomas · 2012
6.8ShowCommon Law
Derek Winfield · 2012
6.6ShowThe Exes
Don · 2011
7.5ShowRevenge
Dr. Ray Clemons · 2011
7.3ShowFranklin & Bash
Golf Club Owner · 2011
7.8ShowBlue Bloods
Gerry Gertz · 2010
7.2ShowThe Defenders
Lawyer · 2010
4.4MovieThe Chosen One
Freddy · 2010
7.5ShowNCIS: Los Angeles
CIA Agent Michael Snyder · 2009
7.9ShowLie to Me
Fentris · 2009
8.4ShowThe Mentalist
Gabriel Fanning · 2008
8.1ShowFringe
Ray Duffy · 2008
5.2MovieOn the Doll
Uncle Lou · 2007
7.6ShowLife
Zak Sutter · 2007