Acting
Johnny Galecki
1975-04-30 · Bree, Belgium
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
The Big Bang Theory
In Time
Hancock
Family Guy
Vanilla Sky
I Know What You Did Last Summer
National Lampoon's Christmas Vacation
Bean
Rings
American Dad!
A Dog's Journey
My Name Is Earl
Entourage
Batman Beyond
Bounce
Roseanne
Movie credits · 31
I'm Chevy Chase and You're Not
The Little Dog Laughed
Unraveling the Mystery: A Big Bang Farewell
A Dog's Journey
The Cleanse
Rings
Must See TV: An All Star Tribute to James Burrows
CBGB
In Time
Table for Three
Hancock
Happy Endings
Chrystal
Bookies
Vanilla Sky
Morgan's Ferry
Bounce
Playing Mona Lisa
The Opposite of Sex
I Know What You Did Last Summer
Suicide Kings
Bean
Murder at My Door
Without Consent
Sudden Fury
Backfield in Motion
In Defense of a Married Man
National Lampoon's Christmas Vacation
Prancer
A Night in the Life of Jimmy Reardon
Murder Ordained
TV credits · 29
Stars in the House
The Conners
SciJinks
The Late Show with Stephen Colbert
Lip Sync Battle
Conan
The Talk
The Big Bang Theory
Boulevard of Broken Dreams
My Name Is Earl
American Dad!
The Late Late Show with Craig Ferguson
LAX
Entourage
Hope & Faith
The Ellen DeGeneres Show
The Norm Show
Family Guy
Batman Beyond
Billy
Civil Wars
American Dreamer
Blossom
Blind Faith
Hardball
Roseanne
Entertainment Tonight
People's Choice Awards
Peep Show
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