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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.
Known For
Family Guy
1999
Conan
2010
American Dad!
2005
The Late Late Show with Craig Ferguson
2005
The Big Bang Theory
2007
Entourage
2004
My Name Is Earl
2005
Blossom
1990
Batman Beyond
1999
Lip Sync Battle
2015
The Conners
2018
Roseanne
1988
In Time
2011
Hancock
2008
Vanilla Sky
2001
I Know What You Did Last Summer
1997
National Lampoon's Christmas Vacation
1989
Bean
1997
Happy Endings
2005
A Dog's Journey
2019
Rings
2017
Prancer
1989
Bounce
2000
Suicide Kings
1997
The Opposite of Sex
1998
CBGB
2013
A Night in the Life of Jimmy Reardon
1988
The Cleanse
2018
Table for Three
2009
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