Acting
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.
Titles
Family Guy
1999
American Dad!
2005
The Late Show with Stephen Colbert
2015
Conan
2010
The Late Late Show with Craig Ferguson
2005
Entourage
2004
The Big Bang Theory
2007
The Talk
2010
The Ellen DeGeneres Show
2003
My Name Is Earl
2005
Batman Beyond
1999
People's Choice Awards
1975
Stars in the House
2020
Lip Sync Battle
2015
In Time
2011
The Conners
2018
Hope & Faith
2003
Blossom
1990
Hancock
2008
The Norm Show
1999
Vanilla Sky
2001
National Lampoon's Christmas Vacation
1989
Entertainment Tonight
1981
Bean
1997
A Dog's Journey
2019
I Know What You Did Last Summer
1997
Civil Wars
1991
Rings
2017
LAX
2004
Roseanne
1988
Hardball
1989
Suicide Kings
1997
American Dreamer
1990
Bounce
2000
I'm Chevy Chase and You're Not
2025
The Opposite of Sex
1998