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Johnny Galecki

Johnny Galecki

Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.

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The Little Dog Laughed

The Little Dog Laughed

2020

as Alex

Stars in the House

Stars in the House

2020

as Self

A Dog's Journey

A Dog's Journey

2019

as Henry Montgomery

The Conners

The Conners

2018

as David Healy

SciJinks

SciJinks

2018

as Himself - Host

The Cleanse

The Cleanse

2018

as Paul Berger

Rings

Rings

2017

as Gabriel Brown

Must See TV: An All Star Tribute to James Burrows

Must See TV: An All Star Tribute to James Burrows

2016

as Self

Lip Sync Battle

Lip Sync Battle

2015

as Self

CBGB

CBGB

2013

as Terry Ork

In Time

In Time

2011

as Borel

Table for Three

Table for Three

2009

as Ted

Hancock

Hancock

2008

as Jeremy

The Big Bang Theory

The Big Bang Theory

2007

as Leonard Hofstadter

Boulevard of Broken Dreams

Boulevard of Broken Dreams

2007

as (archive footage)

My Name Is Earl

My Name Is Earl

2005

as Scott

American Dad!

American Dad!

2005

as Arnie (voice)

Happy Endings

Happy Endings

2005

as Miles (uncredited)

LAX

LAX

2004

as Leland Pressman

Chrystal

Chrystal

2004

as Barry

Hope & Faith

Hope & Faith

2003

as Jay

Bookies

Bookies

2003

as Jude

Vanilla Sky

Vanilla Sky

2001

as Peter Brown

Morgan's Ferry

Morgan's Ferry

2001

as Darcy

Bounce

Bounce

2000

as Seth

Playing Mona Lisa

Playing Mona Lisa

2000

as Arthur

Family Guy

Family Guy

1999

as Leonard Hofstadter (voice)

Batman Beyond

Batman Beyond

1999

as Knux (voice)

The Opposite of Sex

The Opposite of Sex

1998

as Jason Bock

I Know What You Did Last Summer

I Know What You Did Last Summer

1997

as Max Neurick

Suicide Kings

Suicide Kings

1997

as Ira Reder

Bean

Bean

1997

as Stingo Wheelie

Murder at My Door

Murder at My Door

1996

as Teddy McNair

Without Consent

Without Consent

1994

as Marty

Sudden Fury

Sudden Fury

1993

as Daniel Hannigan

Billy

Billy

1992

as David MacGregor

Civil Wars

Civil Wars

1991

as Greg Stolbach

Backfield in Motion

Backfield in Motion

1991

as Tim Seavers

In Defense of a Married Man

In Defense of a Married Man

1990

as Eric

American Dreamer

American Dreamer

1990

as Danny Nash

Blossom

Blossom

1990

as Jason

Blind Faith

Blind Faith

1990

as John Marshall

National Lampoon's Christmas Vacation

National Lampoon's Christmas Vacation

1989

as Russell 'Rusty' Griswold

Prancer

Prancer

1989

as Billy Quinn

Hardball

Hardball

1989

Roseanne

Roseanne

1988

as David Healy

A Night in the Life of Jimmy Reardon

A Night in the Life of Jimmy Reardon

1988

as Toby Reardon

Murder Ordained

Murder Ordained

1987

as Doug Rule