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Marcus Giamatti

Marcus Giamatti

Acting Born: October 3, 1961 • 64 years old • New Haven, Connecticut, USA

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.

IMDb Website

Known For

NCIS

NCIS

as Victor Tillman

House

House

as Jeffrey Keener

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

as Chevy Cigs

Criminal Minds

Criminal Minds

as Dr. Barry Landman

Bones

Bones

as Forrest Wakefield

The Mentalist

The Mentalist

as Gabriel Fanning

The X-Files

The X-Files

as John Gillnitz

CSI: Miami

CSI: Miami

as Hugh Parker

S.W.A.T.

S.W.A.T.

as Professor Marc Lasky

NCIS: Los Angeles

NCIS: Los Angeles

as CIA Agent Michael Snyder

Monk

Monk

as John Keyes

Blue Bloods

Blue Bloods

as Gerry Gertz

The Closer

The Closer

as Glen Lynch

Fringe

Fringe

as Ray Duffy

Medium

Medium

as Lance Pauling

Cold Case

Cold Case

as Larry Kenick

Quantum Leap

Quantum Leap

as Rick Upfield

Crossing Jordan

Crossing Jordan

as Donald Hagen

Revenge

Revenge

as Dr. Ray Clemons

Homicide: Life on the Street

Homicide: Life on the Street

as Bernard Abrams