Johnny Galecki

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.

Filmography

The Late Show with Stephen Colbert
The Late Show with Stephen Colbert
2015 · TV
as Self - Guest
American Dad!
American Dad!
2005 · TV
as Arnie (voice)
Family Guy
Family Guy
1999 · TV
as Leonard Hofstadter (voice)
The Late Late Show with Craig Ferguson
The Late Late Show with Craig Ferguson
2005 · TV
as Self
Conan
Conan
2010 · TV
as Self
Conan
Conan
2010 · TV
as Self - Guest
The Big Bang Theory
The Big Bang Theory
2007 · TV
as Leonard Hofstadter
The Ellen DeGeneres Show
The Ellen DeGeneres Show
2003 · TV
as Self
The Talk
The Talk
2010 · TV
as Self
Entourage
Entourage
2004 · TV
as Johnny Galecki
My Name Is Earl
My Name Is Earl
2005 · TV
as Scott
Batman Beyond
Batman Beyond
1999 · TV
as Knux (voice)
Stars in the House
Stars in the House
2020 · TV
as Self
Lip Sync Battle
Lip Sync Battle
2015 · TV
as Self
The Conners
The Conners
2018 · TV
as David Healy
Blossom
Blossom
1990 · TV
as Jason
Hope & Faith
Hope & Faith
2003 · TV
as Jay
People's Choice Awards
People's Choice Awards
1975 · TV
as Self - Presenter
Entertainment Tonight
Entertainment Tonight
1981 · TV
as Self
In Time
In Time
2011 · Movie
as Borel
Hancock
Hancock
2008 · Movie
as Jeremy
National Lampoon's Christmas Vacation
National Lampoon's Christmas Vacation
1989 · Movie
as Rusty Griswold
The Norm Show
The Norm Show
1999 · TV
as Dale Stackhouse
I Know What You Did Last Summer
I Know What You Did Last Summer
1997 · Movie
as Max Neurick