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.
Filmography
59
I'm Chevy Chase and You're Not
2025
The Little Dog Laughed
2020
Stars in the House
2020
Unraveling the Mystery: A Big Bang Farewell
2019
A Dog's Journey
2019
The Conners
2018
SciJinks
2018
The Cleanse
2018
Rings
2017
Must See TV: An All Star Tribute to James Burrows
2016
The Late Show with Stephen Colbert
2015
Lip Sync Battle
2015
CBGB
2013
In Time
2011
Conan
2010
Table for Three
2009
Hancock
2008
The Big Bang Theory
2007
Boulevard of Broken Dreams
Boulevard of Broken Dreams
2007
My Name Is Earl
2005
American Dad!
2005
Happy Endings
2005
The Late Late Show with Craig Ferguson
2005
LAX
2004
Entourage
2004
Chrystal
2004
Hope & Faith
2003
The Ellen DeGeneres Show
2003
Bookies
2003
Vanilla Sky
2001
Morgan's Ferry
2001
Bounce
2000
Playing Mona Lisa
2000
The Norm Show
1999
Family Guy
1999
Batman Beyond
1999
The Opposite of Sex
1998
I Know What You Did Last Summer
1997
Suicide Kings
1997
Bean
1997
Murder at My Door
1996
Without Consent
1994
Sudden Fury
1993
Billy
1992
Civil Wars
1991
Backfield in Motion
1991
In Defense of a Married Man
1990
American Dreamer
1990
Blossom
1990
Blind Faith
1990
National Lampoon's Christmas Vacation
1989
Prancer
1989
Hardball
1989
Roseanne
1988
A Night in the Life of Jimmy Reardon
1988
Murder Ordained
1987
Entertainment Tonight
1981
People's Choice Awards
1975
Peep Show
Peep Show