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