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.
Movies
The Little Dog Laughed
Alex
A Dog's Journey
Henry Montgomery
The Cleanse
Paul Berger
Rings
Gabriel Brown
CBGB
Terry Ork
In Time
Borel
Table for Three
Ted
Hancock
Jeremy
Happy Endings
Miles (uncredited)
Chrystal
Barry
Bookies
Jude
Vanilla Sky
Peter Brown
Morgan's Ferry
Darcy
Bounce
Seth
Playing Mona Lisa
Arthur
The Opposite of Sex
Jason Bock
I Know What You Did Last Summer
Max Neurick
Suicide Kings
Ira Reder
Bean
Stingo Wheelie
Murder at My Door
Teddy McNair
Without Consent
Marty
Sudden Fury
Daniel Hannigan
Backfield in Motion
Tim Seavers
In Defense of a Married Man
Eric
National Lampoon's Christmas Vacation
Rusty Griswold
Prancer
Billy Quinn
A Night in the Life of Jimmy Reardon
Toby Reardon
Murder Ordained
Doug Rule
TV Series
The Conners
David Healy
4 Episodes
The Big Bang Theory
Leonard Hofstadter
279 Episodes
My Name Is Earl
Scott
1 Episode
American Dad!
Arnie (voice)
1 Episode
LAX
Leland Pressman
1 Episode
Entourage
Johnny Galecki
3 Episodes
Hope & Faith
Jay
3 Episodes
The Norm Show
Dale Stackhouse
2 Episodes
Family Guy
Leonard Hofstadter (voice)
1 Episode
Batman Beyond
Knux (voice)
1 Episode
Billy
David MacGregor
13 Episodes
Civil Wars
Greg Stolbach
1 Episode
American Dreamer
Danny Nash
17 Episodes
Blossom
Jason
1 Episode
Blind Faith
John Marshall
2 Episodes
Hardball
1 Episode
Roseanne
David Healy
92 Episodes