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Marcus Giamatti

Cast & creator

Marcus Giamatti

1961-10-03 (age 65) New Haven, Connecticut, USA Website IMDb

Best known for The Mentalist, CSI: Crime Scene Investigation, Criminal Minds

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.

Movies

16

film credits

Series

38

television credits

Career

54

1984–2026 · acting roles

Credit score

7.0

average across scored titles

Signature credits

Known for

Ordered by popularity

The Mentalist

The Mentalist

Gabriel Fanning · 2008

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Chevy Cigs · 2000

Criminal Minds

Criminal Minds

Dr. Barry Landman · 2005

NCIS

NCIS

Victor Tillman · 2003

Bones

Bones

Forrest Wakefield · 2005

Across film & television

Filmography (54)

Search filmography

Showing 54 of 54 credits

The Mentalist

The Mentalist

Gabriel Fanning

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Chevy Cigs

Criminal Minds

Criminal Minds

Dr. Barry Landman

NCIS

NCIS

Victor Tillman

Bones

Bones

Forrest Wakefield

House

House

Jeffrey Keener

NCIS: Los Angeles

NCIS: Los Angeles

CIA Agent Michael Snyder

CSI: Miami

CSI: Miami

Hugh Parker

S.W.A.T.

S.W.A.T.

Professor Marc Lasky

Blue Bloods

Blue Bloods

Gerry Gertz

The X-Files

The X-Files

John Gillnitz

Monk

Monk

John Keyes

Fringe

Fringe

Ray Duffy

The Closer

The Closer

Glen Lynch

Medium

Medium

Lance Pauling

Crossing Jordan

Crossing Jordan

Donald Hagen

Quantum Leap

Quantum Leap

Rick Upfield

Cold Case

Cold Case

Larry Kenick

Judging Amy

Judging Amy

Peter Gray

Homicide: Life on the Street

Homicide: Life on the Street

Bernard Abrams

Lie to Me

Lie to Me

Fentris

Revenge

Revenge

Dr. Ray Clemons

Get Shorty

Get Shorty

Perception

Perception

Joel (Conley's Agent)

Hunter

Hunter

Jack Kane

Franklin & Bash

Franklin & Bash

Golf Club Owner

Bosch: Legacy

Bosch: Legacy

Simon Wakefield

Life

Life

Zak Sutter

Living Single

Living Single

Jack Peabody

The Exes

The Exes

Don

Dream On

Dream On

Salesman

The Defenders

The Defenders

Lawyer

Mighty Med

Mighty Med

Sonic Shriek

CSI: Cyber

CSI: Cyber

Artie Sneed

Common Law

Common Law

Derek Winfield

Blue Lagoon: The Awakening

Blue Lagoon: The Awakening

Principal Thomas

Monty

Monty

Flying Blind

Flying Blind

Ted Sharperson

3 Ninjas Kick Back

3 Ninjas Kick Back

Announcer

Big Time in Hollywood, Fl

Big Time in Hollywood, Fl

Detective Jim Zdorkin

Pirates of Silicon Valley

Pirates of Silicon Valley

Dan Kottke

Necessary Roughness

Necessary Roughness

Sargie 'Fumblina' Wilkinson

Starving in Suburbia

Starving in Suburbia

Michael

On the Doll

On the Doll

Uncle Lou

The Business of Strangers

The Business of Strangers

Robert

Aftermath: A Test of Love

Aftermath: A Test of Love

Luke

Mr. & Mrs. Bridge

Mr. & Mrs. Bridge

Gil Davis

The Curse of Downers Grove

The Curse of Downers Grove

Rich

Jimmy Hollywood

Jimmy Hollywood

BMW Preppie

The Chosen One

The Chosen One

Freddy

Judy Berlin

Judy Berlin

Eddie Dillon

Echoes of Tomorrow

Echoes of Tomorrow

Frank Thompson (segment "Segment #1")

Hamlet

Hamlet

Guildenstern

Is It Time?

Is It Time?

Frank