
Johnny Galecki
Known for Acting · 60 credits
- Born
- 1975-04-30 (age 51)
- Place of birth
- Bree, Belgium
- Also known as
- Џони Галецки · Τζόνι Γκαλέκι · 자니 갈렉키 · 強尼·格萊奇 · جانی گالکی · Джонни Галецки
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.
Known For
TV Shows (29)

Family Guy
1999
as Leonard Hofstadter (voice)

The Late Show with Stephen Colbert
2015
as Self - Guest

American Dad!
2005
as Arnie (voice)

The Late Late Show with Craig Ferguson
2005
as Self

Conan
2010
as Self / Self - Guest

The Big Bang Theory
2007
as Leonard Hofstadter

Entourage
2004
as Johnny Galecki

My Name Is Earl
2005
as Scott

The Talk
2010
as Self

The Ellen DeGeneres Show
2003
as Self

People's Choice Awards
1975
as Self - Presenter

The Conners
2018
as David Healy

Batman Beyond
1999
as Knux (voice)

Blossom
1990
as Jason

Stars in the House
2020
as Self

Lip Sync Battle
2015
as Self

Hope & Faith
2003
as Jay

Civil Wars
1991
as Greg Stolbach

Entertainment Tonight
1981
as Self

LAX
2004
as Leland Pressman

The Norm Show
1999
as Dale Stackhouse

Roseanne
1988
as David Healy

Hardball
1989

American Dreamer
1990
as Danny Nash

Billy
1992
as David MacGregor
Peep Show
as Mark

SciJinks
2018
as Self - Host

Blind Faith
1990
as John Marshall
Boulevard of Broken Dreams
2007
as Self (archive footage)
Movies (31)

In Time
2011
as Borel

Vanilla Sky
2001
as Peter Brown

Hancock
2008
as Jeremy

National Lampoon's Christmas Vacation
1989
as Rusty Griswold

I Know What You Did Last Summer
1997
as Max Neurick

A Dog's Journey
2019
as Henry Montgomery

Bean
1997
as Stingo Wheelie

Rings
2017
as Gabriel Brown

Bounce
2000
as Seth

I'm Chevy Chase and You're Not
2025
as Self

Prancer
1989
as Billy Quinn

Happy Endings
2005
as Miles (uncredited)

CBGB
2013
as Terry Ork

Suicide Kings
1997
as Ira Reder

Bookies
2003
as Jude

Murder Ordained
1987
as Doug Rule

Morgan's Ferry
2001
as Darcy

Sudden Fury
1993
as Daniel Hannigan

Must See TV: An All Star Tribute to James Burrows
2016
as Self

Playing Mona Lisa
2000
as Arthur

The Cleanse
2018
as Paul Berger

In Defense of a Married Man
1990
as Eric

Murder at My Door
1996
as Teddy McNair

Backfield in Motion
1991
as Tim Seavers

The Opposite of Sex
1998
as Jason Bock

Table for Three
2009
as Ted

A Night in the Life of Jimmy Reardon
1988
as Toby Reardon

Without Consent
1994
as Marty

Unraveling the Mystery: A Big Bang Farewell
2019
as Self - Host

The Little Dog Laughed
2020
as Alex

Chrystal
2004
as Barry
About 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. With 60 credits spanning from 1975 to 2025, Johnny Galecki has appeared in 31 films and 29 TV shows.
Fans searching for Johnny Galecki movies, Johnny Galecki filmography, or the latest projects starring Johnny Galecki can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Johnny Galecki Movies
- In Time (2011) — as Borel
- Vanilla Sky (2001) — as Peter Brown
- Hancock (2008) — as Jeremy
- National Lampoon's Christmas Vacation (1989) — as Rusty Griswold
- I Know What You Did Last Summer (1997) — as Max Neurick
Where to Watch Johnny Galecki Films
Most Johnny Galecki movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Johnny Galecki, check our movies catalogue and browse page.