Johnny Galecki
Born April 30, 1975 · 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.
Notable Appearances
Movies
In Time
National Lampoon's Christmas Vacation
Hancock
A Dog's Journey
Vanilla Sky
I Know What You Did Last Summer
Bean
Rings
The Opposite of Sex
Prancer
Bounce
Bookies
Suicide Kings
A Night in the Life of Jimmy Reardon
I'm Chevy Chase and You're Not
Happy Endings
CBGB
Sudden Fury
Playing Mona Lisa
In Defense of a Married Man
Table for Three
The Cleanse
Must See TV: An All Star Tribute to James Burrows
TV Shows
The Late Late Show with Craig Ferguson
The Ellen DeGeneres Show
The Big Bang Theory
Entourage
My Name Is Earl
The Talk
Lip Sync Battle
Stars in the House
Batman Beyond
The Conners
Blossom
Hope & Faith
People's Choice Awards
Entertainment Tonight
The Norm Show
Roseanne
Civil Wars
LAX
Hardball
American Dreamer
Billy
Blind Faith
