Johnny Galecki
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.
Born: April 30, 1975 · Bree, Belgium
Filmography (48)
I'm Chevy Chase and You're Not
2025
Actor
TV
Stars in the House
2020
Actor
A Dog's Journey
2019
Actor: Henry Montgomery
TV
The Conners
2018
Actor: David Healy
The Cleanse
2018
Actor: Paul BergerProducer
Rings
2017
Actor: Gabriel Brown
Must See TV: An All Star Tribute to James Burrows
2016
Actor
TV
The Late Show with Stephen Colbert
2015
Actor: Self - Guest
TV
Lip Sync Battle
2015
Actor
CBGB
2013
Actor: Terry Ork
In Time
2011
Actor: Borel
TV
Conan
2010
ActorActor: Self - Guest
Table for Three
2009
Actor: Ted
Hancock
2008
Actor: Jeremy
TV
The Big Bang Theory
2007
Actor: Leonard Hofstadter
TV
My Name Is Earl
2005
Actor: Scott
TV
American Dad!
2005
Actor: Arnie (voice)
Happy Endings
2005
Actor: Miles (uncredited)
TV
The Late Late Show with Craig Ferguson
2005
Actor
TV
LAX
2004
Actor: Leland Pressman
TV
Entourage
2004
Actor: Johnny Galecki
Chrystal
2004
Actor: Barry
TV
Hope & Faith
2003
Actor: Jay
Bookies
2003
Actor: Jude
Vanilla Sky
2001
Actor: Peter Brown
Morgan's Ferry
2001
Actor: Darcy
Bounce
2000
Actor: Seth
Playing Mona Lisa
2000
Actor: Arthur
TV
The Norm Show
1999
Actor: Dale Stackhouse
TV
Family Guy
1999
Actor: Leonard Hofstadter…
TV
Batman Beyond
1999
Actor: Knux (voice)
The Opposite of Sex
1998
Actor: Jason Bock
I Know What You Did Last Summer
1997
Actor: Max Neurick
Suicide Kings
1997
Actor: Ira Reder
Bean
1997
Actor: Stingo Wheelie
Without Consent
1994
Actor: Marty
Sudden Fury
1993
Actor: Daniel Hannigan
TV
Civil Wars
1991
Actor: Greg Stolbach
In Defense of a Married Man
1990
Actor: Eric
TV
American Dreamer
1990
Actor: Danny Nash
TV
Blossom
1990
Actor: Jason
National Lampoon's Christmas Vacation
1989
Actor: Rusty Griswold
Prancer
1989
Actor: Billy Quinn
TV
Hardball
1989
Actor
TV
Roseanne
1988
Actor: David Healy
A Night in the Life of Jimmy Reardon
1988
Actor: Toby Reardon
TV
Entertainment Tonight
1981
Actor
TV
People's Choice Awards
1975
Actor: Self - Presenter