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.
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Movies (31)
I'm Chevy Chase and You're Not
2025 · Self
The Little Dog Laughed
2020 · Alex
Unraveling the Mystery: A Big Bang Farewell
2019 · Self - Host
A Dog's Journey
2019 · Henry Montgomery
The Cleanse
2018 · Paul Berger, Producer
Rings
2017 · Gabriel
Must See TV: An All Star Tribute to James Burrows
2016 · Self
CBGB
2013 · Terry Ork
In Time
2011 · Borel
Table for Three
2009 · Ted
Hancock
2008 · Jeremy
Happy Endings
2005 · Miles (uncredited)
Chrystal
2004 · Barry
Bookies
2003 · Jude
Vanilla Sky
2001 · Peter Brown
El Ferry de Morgan
2001 · Darcy
Un vuelco del corazón (Bounce)
2000 · Seth
¿Quién quiere ser Mona Lisa?
2000 · Arthur
The Opposite of Sex
1998 · Jason Bock
I Know What You Did Last Summer
1997 · Max Neurick
Suicide Kings
1997 · Ira Reder
Bean
1997 · Stingo Wheelie
Murder at My Door
1996 · Teddy McNair
Without Consent
1994 · Marty
Sudden Fury
1993 · Daniel Hannigan
Backfield in Motion
1991 · Tim Seavers
In Defense of a Married Man
1990 · Eric
National Lampoon's Christmas Vacation
1989 · Rusty Griswold
Prancer
1989 · Billy Quinn
A Night in the Life of Jimmy Reardon
1988 · Toby Reardon
Murder Ordained
1987 · Doug Rule
TV shows (29)
Stars in the House
2020 · Self
The Conners
2018 · David Healy
SciJinks
2018 · Self - Host, Executive Producer
The Late Show with Stephen Colbert
2015 · Self - Guest
Lip Sync Battle
2015 · Self
Conan
2010 · Self, Self - Guest
The Talk
2010 · Self
The Big Bang Theory
2007 · Leonard Hofstadter
Boulevard of Broken Dreams
2007 · Self (archive footage)
My Name Is Earl
2005 · Scott
American Dad!
2005 · Arnie (voice)
The Late Late Show with Craig Ferguson
2005 · Self
LAX
2004 · Leland Pressman
Entourage
2004 · Johnny Galecki
Hope & Faith
2003 · Jay
The Ellen DeGeneres Show
2003 · Self
The Norm Show
1999 · Dale Stackhouse
Padre de Familia
1999 · Leonard Hofstadter (voice)
Batman Beyond
1999 · Knux (voice)
Billy
1992 · David MacGregor
Civil Wars
1991 · Greg Stolbach
American Dreamer
1990 · Danny Nash
Blossom
1990 · Jason
Blind Faith
1990 · John Marshall
Hardball
1989
Roseanne
1988 · David Healy
Entertainment Tonight
1981 · Self
People's Choice Awards
1975 · Self - Presenter
Peep Show
· Mark