Personal Info

Known For

Acting

Known Credits

51

Gender

Male

Birthday

1961-10-03 (64 years old)

Place of Birth

New Haven, Connecticut, USA

Also Known As

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

Pirates of Silicon Valley

Pirates of Silicon Valley

Acting

Pirates of Silicon Valley

1999

Pirates of Silicon Valley

as

Dan Kottke

The Business of Strangers

2001

The Business of Strangers

as

Robert

Judy Berlin

1999

Judy Berlin

as

Eddie Dillon

The Chosen One

2010

The Chosen One

as

Freddy

3 Ninjas Kick Back

1994

3 Ninjas Kick Back

as

Announcer

Hamlet

2000

Hamlet

as

Guildenstern

The Curse of Downers Grove

2015

The Curse of Downers Grove

as

Rich

Starving in Suburbia

2014

Starving in Suburbia

as

Michael

Mr. & Mrs. Bridge

1990

Mr. & Mrs. Bridge

as

Gil Davis

Jimmy Hollywood

1994

Jimmy Hollywood

as

BMW Preppie

On the Doll

2007

On the Doll

as

Uncle Lou

Blue Lagoon: The Awakening

2012

Blue Lagoon: The Awakening

as

Principal Thomas

Necessary Roughness

1991

Necessary Roughness

as

Sargie 'Fumblina' Wilkinson

Is It Time?

Is It Time?

as

Frank

Aftermath: A Test of Love

1991

Aftermath: A Test of Love

as

Luke

Medium

Medium

as

Lance Pauling

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

as

Chevy Cigs

Judging Amy

Judging Amy

as

Peter Gray

Monk

Monk

as

John Keyes

Cold Case

Cold Case

as

Larry Kenick

Crossing Jordan

Crossing Jordan

as

Donald Hagen

Life

Life

as

Zak Sutter

Quantum Leap

Quantum Leap

as

Rick Upfield

Criminal Minds

Criminal Minds

as

Dr. Barry Landman

Flying Blind

Flying Blind

as

Ted Sharperson

The X-Files

The X-Files

as

John Gillnitz

The Mentalist

The Mentalist

as

Gabriel Fanning

Hunter

Hunter

as

Jack Kane

Homicide: Life on the Street

Homicide: Life on the Street

as

Monty

Monty

as

Common Law

Common Law

as

Perception

Perception

as

Joel (Conley's Agent)

The Exes

The Exes

as

Don

NCIS: Los Angeles

NCIS: Los Angeles

as

CIA Agent Michael Snyder

House

House

as

Jeffrey Keener

Big Time in Hollywood, Fl

Big Time in Hollywood, Fl

as

Detective Jim Zdorkin

Revenge

Revenge

as

Dr. Ray Clemons

Franklin & Bash

Franklin & Bash

as

Golf Club Owner

CSI: Cyber

CSI: Cyber

as

Artie Sneed

Blue Bloods

Blue Bloods

as

Gerry Gertz

Bosch: Legacy

Bosch: Legacy

as

Simon Wakefield

Get Shorty

Get Shorty

as

NCIS

NCIS

as

Victor Tillman

Dream On

Dream On

as

Salesman

Bones

Bones

as

Forrest Wakefield

Fringe

Fringe

as

Ray Duffy

Mighty Med

Mighty Med

as

Sonic Shriek

The Closer

The Closer

as

Glen Lynch

The Defenders

The Defenders

as

Lawyer

S.W.A.T.

S.W.A.T.

as

Professor Marc Lasky

Living Single

Living Single

as

Jack Peabody

Production

Crew

Directing