Johnny Galecki
Biography
Movies 31
In Time
as Borel
2011
National Lampoon's Christmas Vacation
as Rusty Griswold
1989
Hancock
as Jeremy
2008
Vanilla Sky
as Peter Brown
2001
Bean
as Stingo Wheelie
1997
I Know What You Did Last Summer
as Max Neurick
1997
A Dog's Journey
as Henry Montgomery
2019
Rings
as Gabriel
2017
The Opposite of Sex
as Jason Bock
1998
Prancer
as Billy Quinn
1989
Suicide Kings
as Ira Reder
1997
Bounce
as Seth
2000
CBGB
as Terry Ork
2013
Happy Endings
as Miles (uncredited)
2005
A Night in the Life of Jimmy Reardon
as Toby Reardon
1988
I'm Chevy Chase and You're Not
as Self - Actor
2025
Bookies
as Jude
2003
Must See TV: An All Star Tribute to James Burrows
as Self
2016
Table for Three
as Ted
2009
In Defense of a Married Man
as Eric
1990
Playing Mona Lisa
as Arthur
2000
Sudden Fury
as Daniel Hannigan
1993
Chrystal
as Barry
2004
Without Consent
as Marty
1994
The Cleanse
as Paul Berger
2018
Murder at My Door
as Teddy McNair
1996
Murder Ordained
as Doug Rule
1987
Backfield in Motion
as Tim Seavers
1991
Unraveling the Mystery: A Big Bang Farewell
as Self - Host
2019
Morgan's Ferry
as Darcy
2001
The Little Dog Laughed
as Alex
2020TV Shows 30
Family Guy
as Leonard Hofstadter (voice)
1999
The Late Show with Stephen Colbert
as Self - Guest
2015
American Dad!
as Arnie (voice)
2005
Conan
as Self
2010
Conan
as Self - Guest
2010
The Late Late Show with Craig Ferguson
as Self
2005
The Big Bang Theory
as Leonard Hofstadter
2007
The Ellen DeGeneres Show
as Self
2003
Entourage
as Johnny Galecki
2004
My Name Is Earl
as Scott
2005
The Talk
as Self
2010
Lip Sync Battle
as Self
2015
Batman Beyond
as Knux (voice)
1999
The Conners
as David Healy
2018
Stars in the House
as Self
2020
Blossom
as Jason
1990
Entertainment Tonight
as Self
1981
Hope & Faith
as Jay
2003
People's Choice Awards
as Self - Presenter
1975
Civil Wars
as Greg Stolbach
1991
The Norm Show
as Dale Stackhouse
1999
Roseanne
as David Healy
1988
LAX
as Leland Pressman
2004
Hardball
1989
American Dreamer
as Danny Nash
1990
Blind Faith
as John Marshall
1990
Billy
as David MacGregor
1992
Boulevard of Broken Dreams
as Self (archive footage)
2007
Peep Show
as Mark
SciJinks
as Self - Host
2018