Johnny Galecki

Johnny Galecki

Acting

1975-04-30

Bree, Belgium

Biography

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.

Appears In

Family Guy
⭐ 7.4
Family Guy
1999

as Leonard Hofstadter (voice)

American Dad!
⭐ 7.0
American Dad!
2005

as Arnie (voice)

The Late Late Show with Craig Ferguson
⭐ 6.7
The Late Late Show with Craig Ferguson
2005

as Self

Conan
⭐ 7.1
Conan
2010

as Self

The Big Bang Theory
⭐ 7.9
The Big Bang Theory
2007

as Leonard Hofstadter

Entourage
⭐ 7.4
Entourage
2004

as Johnny Galecki

My Name Is Earl
⭐ 7.7
My Name Is Earl
2005

as Scott

Batman Beyond
⭐ 8.2
Batman Beyond
1999

as Knux (voice)

The Conners
⭐ 7.1
The Conners
2018

as David Healy

Stars in the House
⭐ 0.0
Stars in the House
2020

as Self

Lip Sync Battle
⭐ 6.4
Lip Sync Battle
2015

as Self

People's Choice Awards
⭐ 9.0
People's Choice Awards
1975

as Self - Presenter

In Time
⭐ 7.0
In Time
2011

as Borel

Blossom
⭐ 6.1
Blossom
1990

as Jason

Hancock
⭐ 6.4
Hancock
2008

as Jeremy

Murder Ordained
⭐ 5.0
Murder Ordained
1987

as Doug Rule

Hope & Faith
⭐ 5.3
Hope & Faith
2003

as Jay

Bounce
⭐ 5.8
Bounce
2000

as Seth

The Norm Show
⭐ 6.8
The Norm Show
1999

as Dale Stackhouse

Bean
⭐ 6.5
Bean
1997

as Stingo Wheelie

National Lampoon's Christmas Vacation
⭐ 7.2
National Lampoon's Christmas Vacation
1989

as Rusty Griswold

Vanilla Sky
⭐ 6.8
Vanilla Sky
2001

as Peter Brown

Entertainment Tonight
⭐ 4.1
Entertainment Tonight
1981

as Self

I Know What You Did Last Summer
⭐ 6.0
I Know What You Did Last Summer
1997

as Max Neurick

Sudden Fury
⭐ 4.3
Sudden Fury
1993

as Daniel Hannigan

LAX
⭐ 7.1
LAX
2004

as Leland Pressman

I'm Chevy Chase and You're Not
⭐ 7.0
I'm Chevy Chase and You're Not
2025

as Self

The Little Dog Laughed
⭐ 0.0
The Little Dog Laughed
2020

as Alex

CBGB
⭐ 6.3
CBGB
2013

as Terry Ork

The Cleanse
⭐ 5.1
The Cleanse
2018

as Paul Berger

A Dog's Journey
⭐ 8.1
A Dog's Journey
2019

as Henry Montgomery

Prancer
⭐ 6.0
Prancer
1989

as Billy Quinn

Civil Wars
⭐ 3.3
Civil Wars
1991

as Greg Stolbach

Happy Endings
⭐ 5.6
Happy Endings
2005

as Miles (uncredited)

Roseanne
⭐ 6.8
Roseanne
1988

as David Healy

Rings
⭐ 5.0
Rings
2017

as Gabriel Brown

Chrystal
⭐ 5.7
Chrystal
2004

as Barry

Hardball
⭐ 7.0
Hardball
1989
Playing Mona Lisa
⭐ 5.7
Playing Mona Lisa
2000

as Arthur

American Dreamer
⭐ 4.5
American Dreamer
1990

as Danny Nash

Billy
⭐ 6.0
Billy
1992

as David MacGregor

Suicide Kings
⭐ 6.6
Suicide Kings
1997

as Ira Reder

Must See TV: An All Star Tribute to James Burrows
⭐ 4.1
Must See TV: An All Star Tribute to James Burrows
2016

as Self

A Night in the Life of Jimmy Reardon
⭐ 5.0
A Night in the Life of Jimmy Reardon
1988

as Toby Reardon

The Opposite of Sex
⭐ 6.2
The Opposite of Sex
1998

as Jason Bock

Bookies
⭐ 6.3
Bookies
2003

as Jude

SciJinks
⭐ 0.0
SciJinks
2018

as Himself - Host

Blind Faith
⭐ 5.5
Blind Faith
1990

as John Marshall

Morgan's Ferry
⭐ 5.9
Morgan's Ferry
2001

as Darcy

Table for Three
⭐ 4.7
Table for Three
2009

as Ted

Without Consent
⭐ 6.9
Without Consent
1994

as Marty

In Defense of a Married Man
⭐ 4.5
In Defense of a Married Man
1990

as Eric

Backfield in Motion
⭐ 4.4
Backfield in Motion
1991

as Tim Seavers

Murder at My Door
⭐ 2.4
Murder at My Door
1996

as Teddy McNair

Unraveling The Mystery: A Big Bang Farewell
⭐ 0.0
Unraveling The Mystery: A Big Bang Farewell
2019

as Self - Host