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Johnny Galecki
Actor

Johnny Galecki

1975Bree, Belgium31 Movies24 TV Shows

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..

Filmography

More Movies

31 titles
I'm Chevy Chase and You're Not
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Self
7.1

I'm Chevy Chase and You're Not

2025
The Little Dog Laughed
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Alex

The Little Dog Laughed

2020
Unraveling The Mystery: A Big Bang Farewell
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Self - Host

Unraveling The Mystery: A Big Bang Farewell

2019
A Dog's Journey
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Henry Montgomery
8.1

A Dog's Journey

2019
The Cleanse
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Paul Berger
5.1

The Cleanse

2018
Rings
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Gabriel Brown
5.0

Rings

2017
Must See TV: An All Star Tribute to James Burrows
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Self
4.1

Must See TV: An All Star Tribute to James Burrows

2016
CBGB
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Terry Ork
6.3

CBGB

2013
In Time
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Borel
7.0

In Time

2011
Table for Three
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Ted
4.7

Table for Three

2009
Hancock
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Jeremy
6.4

Hancock

2008
Happy Endings
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Miles (uncredited)
5.6

Happy Endings

2005
Chrystal
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Barry
5.7

Chrystal

2004
Bookies
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Jude
6.3

Bookies

2003
Vanilla Sky
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Peter Brown
6.8

Vanilla Sky

2001
Morgan's Ferry
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Darcy
5.9

Morgan's Ferry

2001
Bounce
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Seth
5.8

Bounce

2000
Playing Mona Lisa
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Arthur
5.7

Playing Mona Lisa

2000
The Opposite of Sex
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Jason Bock
6.2

The Opposite of Sex

1998
I Know What You Did Last Summer
View
Max Neurick
6.0

I Know What You Did Last Summer

1997
Suicide Kings
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Ira Reder
6.6

Suicide Kings

1997
Bean
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Stingo Wheelie
6.5

Bean

1997
Murder at My Door
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Teddy McNair
2.4

Murder at My Door

1996
Without Consent
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Marty
6.9

Without Consent

1994
Sudden Fury
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Daniel Hannigan
4.3

Sudden Fury

1993
Backfield in Motion
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Tim Seavers
4.4

Backfield in Motion

1991
In Defense of a Married Man
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Eric
4.5

In Defense of a Married Man

1990
National Lampoon's Christmas Vacation
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Rusty Griswold
7.2

National Lampoon's Christmas Vacation

1989
Prancer
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Billy Quinn
6.0

Prancer

1989
A Night in the Life of Jimmy Reardon
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Toby Reardon
5.0

A Night in the Life of Jimmy Reardon

1988
Murder Ordained
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Doug Rule
5.0

Murder Ordained

1987
Television

More TV Shows

24 titles
Stars in the House
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Self

Stars in the House

2020
The Conners
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David Healy
7.1

The Conners

2018
SciJinks
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Self - Host

SciJinks

2018
Lip Sync Battle
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Self
6.4

Lip Sync Battle

2015
Conan
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Self
7.1

Conan

2010
The Big Bang Theory
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Leonard Hofstadter
7.9

The Big Bang Theory

2007
My Name Is Earl
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Scott
7.7

My Name Is Earl

2005
American Dad!
View
Arnie (voice)
7.0

American Dad!

2005
The Late Late Show with Craig Ferguson
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Self
6.7

The Late Late Show with Craig Ferguson

2005
LAX
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Leland Pressman
7.1

LAX

2004
Entourage
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Johnny Galecki
7.4

Entourage

2004
Hope & Faith
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Jay
5.3

Hope & Faith

2003
The Norm Show
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Dale Stackhouse
6.8

The Norm Show

1999
Family Guy
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Leonard Hofstadter (voice)
7.4

Family Guy

1999
Batman Beyond
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Knux (voice)
8.2

Batman Beyond

1999
Billy
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David MacGregor
6.0

Billy

1992
Civil Wars
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Greg Stolbach
3.3

Civil Wars

1991
American Dreamer
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Danny Nash
4.5

American Dreamer

1990
Blossom
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Jason
6.1

Blossom

1990
Blind Faith
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John Marshall
5.5

Blind Faith

1990
Hardball
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7.0

Hardball

1989
Roseanne
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David Healy
6.8

Roseanne

1988
Entertainment Tonight
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Self
4.1

Entertainment Tonight

1981
People's Choice Awards
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Self - Presenter
9.2

People's Choice Awards

1975