Johnny Galecki
Known for: Acting
Born: April 30, 1975
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.
Known for
The Cleanse
2018
The Little Dog Laughed
2020
Bookies
2003
Murder at My Door
1996
Sudden Fury
1993
Unraveling the Mystery: A Big Bang Farewell
2019
Morgan's Ferry
2001
Backfield in Motion
1991
Rings
2017
National Lampoon's Christmas Vacation
1989
Playing Mona Lisa
2000
CBGB
2013
Without Consent
1994
In Defense of a Married Man
1990
The Opposite of Sex
1998
Bounce
2000
Table for Three
2009
I Know What You Did Last Summer
1997
Suicide Kings
1997
In Time
2011
Must See TV: An All Star Tribute to James Burrows
2016
Chrystal
2004
Hancock
2008
I'm Chevy Chase and You're Not
2025
A Night in the Life of Jimmy Reardon
1988
Prancer
1989
A Dog's Journey
2019
Vanilla Sky
2001
Murder Ordained
1987
Bean
1997
American Dreamer
1990
Happy Endings
2005
Batman Beyond
1999
The Big Bang Theory
2007
American Dad!
2005
Family Guy
1999
Hope & Faith
2003
My Name Is Earl
2005
Roseanne
1988
Billy
1992
LAX
2004
Blossom
1990
Hardball
1989
Civil Wars
1991
Lip Sync Battle
2015
The Late Late Show with Craig Ferguson
2005
Blind Faith
1990
Boulevard of Broken Dreams
2007
SciJinks
2018
The Conners
2018
Entertainment Tonight
1981
Stars in the House
2020
Conan
2010
The Norm Show
1999
Entourage
2004
People's Choice Awards
1975
Peep Show
The Late Show with Stephen Colbert
2015
The Ellen DeGeneres Show
2003