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1961Born, New Haven
53Credits
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.
Known for
2026Echoes of TomorrowFrank Thompson (segment "Segment #1")Movie
2022Bosch: LegacySimon Wakefield · 3 episodesShow
2017Get Shorty1 episodeShow
2015The Curse of Downers GroveRichMovie
2015Big Time in Hollywood, FlDetective Jim Zdorkin · 5 episodesShow
2015CSI: CyberArtie Sneed · 1 episodeShow
2014Starving in SuburbiaMichaelMovie
2013Mighty MedSonic Shriek · 1 episodeShow
2012PerceptionJoel (Conley's Agent) · 1 episodeShow
2012Blue Lagoon: The AwakeningPrincipal ThomasMovie
2012Common LawDerek Winfield · 1 episodeShow
2011The ExesDon · 1 episodeShow
2011RevengeDr. Ray Clemons · 1 episodeShow
2011Franklin & BashGolf Club Owner · 1 episodeShow
2010Blue BloodsGerry Gertz · 1 episodeShow
2010The DefendersLawyer · 1 episodeShow
2010The Chosen OneFreddyMovie
2009NCIS: Los AngelesCIA Agent Michael Snyder · 2 episodesShow
2009Lie to MeFentris · 1 episodeShow
2008FringeRay Duffy · 1 episodeShow
2007On the DollUncle LouMovie
2007LifeZak Sutter · 1 episodeShow
2005The CloserGlen Lynch · 1 episodeShow
2003Cold CaseLarry Kenick · 1 episodeShow
2001Crossing JordanDonald Hagen · 1 episodeShow
2001The Business of StrangersRobertMovie
2000HamletGuildensternMovie
1999Judy BerlinEddie DillonMovie
1999Judging AmyPeter Gray · 138 episodesShow
1999Pirates of Silicon ValleyDan KottkeMovie
1994Jimmy HollywoodBMW PreppieMovie
19943 Ninjas Kick BackAnnouncerMovie
1994Monty1 episodeShow
1993The X-FilesJohn Gillnitz · 1 episodeShow
1993Living SingleJack Peabody · 1 episodeShow
1993Homicide: Life on the StreetBernard Abrams · 1 episodeShow
1992Flying BlindTed Sharperson · 22 episodesShow
1991Necessary RoughnessSargie 'Fumblina' WilkinsonMovie
1991Aftermath: A Test of LoveLukeMovie
1990Mr. & Mrs. BridgeGil DavisMovie
1990Dream OnSalesman · 1 episodeShow
1989Quantum LeapRick Upfield · 1 episodeShow
1984HunterJack Kane · 1 episodeShow
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