Johnny Galecki
Acting
Born: 1975-04-30 in Bree, Belgium
Biography
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
Leonard Hofstadter (voice)
American Dad!
Arnie (voice)
The Late Show with Stephen Colbert
Self - Guest
Conan
Self
Conan
Self - Guest
The Late Late Show with Craig Ferguson
Self
The Big Bang Theory
Leonard Hofstadter
Entourage
Johnny Galecki
The Talk
Self
My Name Is Earl
Scott
The Ellen DeGeneres Show
Self
Batman Beyond
Knux (voice)
People's Choice Awards
Self - Presenter
Blossom
Jason
The Conners
David Healy
In Time
Borel
Lip Sync Battle
Self
Hope & Faith
Jay
Stars in the House
Self
Vanilla Sky
Peter Brown
Hancock
Jeremy
I Know What You Did Last Summer
Max Neurick
National Lampoon's Christmas Vacation
Rusty Griswold
Entertainment Tonight
Self
Bean
Stingo Wheelie
A Dog's Journey
Henry Montgomery
Rings
Gabriel Brown
The Norm Show
Dale Stackhouse
Roseanne
David Healy
Civil Wars
Greg Stolbach
LAX
Leland Pressman
Suicide Kings
Ira Reder
Hardball
American Dreamer
Danny Nash
Bounce
Seth
I'm Chevy Chase and You're Not
Self
Happy Endings
Miles (uncredited)
Prancer
Billy Quinn
The Opposite of Sex
Jason Bock
Billy
David MacGregor