Johnny Galecki
Born in Bree, Belgium — Apr 30 1975
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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.
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Johnny Galecki's Credits
Browse acting and crew credits across movies and TV — filter and sort to find specific roles.
Family Guy
Leonard Hofstadter (voice)
American Dad!
Arnie (voice)
The Big Bang Theory
Leonard Hofstadter
Entourage
Johnny Galecki
My Name Is Earl
Scott
The Conners
David Healy
Hope & Faith
Jay
Batman Beyond
Knux (voice)
Blossom
Jason
People's Choice Awards
Self - Presenter
Stars in the House
Self
Lip Sync Battle
Self
Roseanne
David Healy
Hancock
Jeremy
In Time
Borel
Hardball
LAX
Leland Pressman
Civil Wars
Greg Stolbach
The Norm Show
Dale Stackhouse
American Dreamer
Danny Nash
Vanilla Sky
Peter Brown
I Know What You Did Last Summer
Max Neurick
Bean
Stingo Wheelie
National Lampoon's Christmas Vacation
Rusty Griswold
Rings
Gabriel Brown
A Dog's Journey
Henry Montgomery
Prancer
Billy Quinn
Happy Endings
Miles (uncredited)
SciJinks
Self - Host
Billy
David MacGregor
The Opposite of Sex
Jason Bock
Suicide Kings
Ira Reder
Boulevard of Broken Dreams
Self (archive footage)
Sudden Fury
Daniel Hannigan
Bookies
Jude
Bounce
Seth
Chrystal
Barry
Must See TV: An All Star Tribute to James Burrows
Self
CBGB
Terry Ork
Blind Faith
John Marshall
Without Consent
Marty
I'm Chevy Chase and You're Not
Self
Playing Mona Lisa
Arthur
A Night in the Life of Jimmy Reardon
Toby Reardon
The Cleanse
Paul Berger
Morgan's Ferry
Darcy
In Defense of a Married Man
Eric
Murder Ordained
Doug Rule
Table for Three
Ted
Murder at My Door
Teddy McNair
Backfield in Motion
Tim Seavers
Unraveling The Mystery: A Big Bang Farewell
Self - Host
The Little Dog Laughed
Alex
Peep Show
Mark