Johnny Galecki

Series ★ 6,1

The Late Show with Stephen Colbert

Self - Guest

2015

Series ★ 7,4

Family Guy

Leonard Hofstadter (voice)

1999

Series ★ 7,0

American Dad!

Arnie (voice)

2005

Series ★ 7,2

Conan

Self

2010

Series ★ 7,2

Conan

Self - Guest

2010

Series ★ 6,9

The Late Late Show with Craig Ferguson

Self

2005

Series ★ 5,6

The Ellen DeGeneres Show

Self

2003

Series ★ 7,4

Entourage

Johnny Galecki

2004

Series ★ 7,9

The Big Bang Theory

Leonard Hofstadter

2007

Series ★ 3,0

The Talk

Self

2010

Series ★ 7,7

My Name Is Earl

Scott

2005

Series ★ 8,2

Batman Beyond

Knux (voice)

1999

Series ★ 7,0

The Conners

David Healy

2018

Series

Stars in the House

Self

2020

Series ★ 6,4

Lip Sync Battle

Self

2015

Series ★ 6,2

Blossom

Jason

1990

Series ★ 5,4

Hope & Faith

Jay

2003

Series ★ 9,2

People's Choice Awards

Self - Presenter

1975

Film ★ 7,0

In Time

Borel

2011

Series ★ 4,3

Entertainment Tonight

Self

1981

Series ★ 7,3

The Norm Show

Dale Stackhouse

1999

Film ★ 6,8

Vanilla Sky

Peter Brown

2001

Film ★ 7,2

National Lampoon's Christmas Vacation

Rusty Griswold

1989

Series ★ 7,0

LAX

Leland Pressman

2004

Series ★ 4,5

Civil Wars

Greg Stolbach

1991

Film ★ 6,4

Hancock

Jeremy

2008

Series ★ 6,8

Roseanne

David Healy

1988

Film ★ 8,0

A Dog's Journey

Henry Montgomery

2019

Film ★ 6,0

I Know What You Did Last Summer

Max Neurick

1997

Film ★ 5,0

Rings

Gabriel Brown

2017

Series ★ 7,0

Hardball

1989

Film ★ 6,5

Bean

Stingo Wheelie

1997

Series ★ 5,3

American Dreamer

Danny Nash

1990

Film ★ 6,2

The Opposite of Sex

Jason Bock

1998

Film ★ 5,6

Happy Endings

Miles (uncredited)

2005

Film ★ 5,8

Bounce

Seth

2000

Film ★ 6,6

Suicide Kings

Ira Reder

1997

Film ★ 6,4

CBGB

Terry Ork

2013

Film ★ 6,5

I'm Chevy Chase and You're Not

Self

2025

Series ★ 10,0

Peep Show

Mark

Film ★ 5,0

A Night in the Life of Jimmy Reardon

Toby Reardon

1988

Series ★ 6,4

Blind Faith

John Marshall

1990

Series ★ 7,0

Billy

David MacGregor

1992

Film ★ 5,0

The Cleanse

Paul Berger

2018

Series ★ 3,0

Boulevard of Broken Dreams

Self (archive footage)

2007

Film ★ 4,0

Must See TV: An All Star Tribute to James Burrows

Self

2016

Film ★ 6,2

Prancer

Billy Quinn

1989

Film ★ 6,4

Bookies

Jude

2003

Film ★ 3,7

Murder at My Door

Teddy McNair

1996

Film ★ 4,7

Table for Three

Ted

2009

Film ★ 4,7

In Defense of a Married Man

Eric

1990

Film ★ 5,0

Sudden Fury

Daniel Hannigan

1993

Film ★ 5,0

Murder Ordained

Doug Rule

1987

Film

Unraveling the Mystery: A Big Bang Farewell

Self - Host

2019

Film ★ 5,7

Playing Mona Lisa

Arthur

2000

Film ★ 6,1

Morgan's Ferry

Darcy

2001

Film

The Little Dog Laughed

Alex

2020

Film ★ 7,2

Without Consent

Marty

1994

Film ★ 5,6

Chrystal

Barry

2004

Series ★ 7,0

SciJinks

Self - Host

2018

Film ★ 5,6

Backfield in Motion

Tim Seavers

1991