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.

Known For

The Mentalist

NCIS

Criminal Minds

Bones

CSI: Crime Scene Investigation

S.W.A.T.

House

Medium

All Movies (15)

• The Curse of Downers Grove2015 · as Rich
• Starving in Suburbia2014 · as Michael
• Blue Lagoon: The Awakening2012 · as Principal Thomas
• The Chosen One2010 · as Freddy
• On the Doll2007 · as Uncle Lou
• The Business of Strangers2001 · as Robert
• Hamlet2000 · as Guildenstern
• Judy Berlin1999 · as Eddie Dillon
• Pirates of Silicon Valley1999 · as Dan Kottke
• Jimmy Hollywood1994 · as BMW Preppie
• 3 Ninjas Kick Back1994 · as Announcer
• Necessary Roughness1991 · as Sargie 'Fumblina' Wilkinson
• Aftermath: A Test of Love1991 · as Luke
• Mr. & Mrs. Bridge1990 · as Gil Davis
• Is It Time?— · as Frank

All TV Shows (38)

• Bosch: Legacy2022 · as Simon Wakefield
• S.W.A.T.2017 · as Professor Marc Lasky
• Get Shorty2017
• Big Time in Hollywood, Fl2015 · as Detective Jim Zdorkin
• CSI: Cyber2015 · as Artie Sneed
• Mighty Med2013 · as Sonic Shriek
• Perception2012 · as Joel (Conley's Agent)
• Common Law2012 · as Derek Winfield
• The Exes2011 · as Don
• Revenge2011 · as Dr. Ray Clemons
• Franklin & Bash2011 · as Golf Club Owner
• Blue Bloods2010 · as Gerry Gertz
• The Defenders2010 · as Lawyer
• NCIS: Los Angeles2009 · as CIA Agent Michael Snyder
• Lie to Me2009 · as Fentris
• The Mentalist2008 · as Gabriel Fanning
• Fringe2008 · as Ray Duffy
• Life2007 · as Zak Sutter
• Criminal Minds2005 · as Dr. Barry Landman
• Bones2005 · as Forrest Wakefield
• The Closer2005 · as Glen Lynch
• Medium2005 · as Lance Pauling
• House2004 · as Jeffrey Keener
• Cold Case2003 · as Larry Kenick
• NCIS2003 · as Victor Tillman
• CSI: Miami2002 · as Hugh Parker
• Monk2002 · as John Keyes
• Crossing Jordan2001 · as Donald Hagen
• CSI: Crime Scene Investigation2000 · as Chevy Cigs
• Judging Amy1999 · as Peter Gray
• Monty1994
• The X-Files1993 · as John Gillnitz
• Living Single1993 · as Jack Peabody
• Homicide: Life on the Street1993 · as Bernard Abrams
• Flying Blind1992 · as Ted Sharperson
• Dream On1990 · as Salesman
• Quantum Leap1989 · as Rick Upfield
• Hunter1984 · as Jack Kane