Johnny Galecki
Acting
Born 1975-04-30 · Bree, Belgium
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.
Acting
I'm Chevy Chase and You're Not
Self
The Little Dog Laughed
Alex
Stars in the House
Self
Unraveling the Mystery: A Big Bang Farewell
Self - Host
A Dog's Journey
Henry Montgomery
The Conners
David Healy
SciJinks
Self - Host
The Cleanse
Paul Berger
Rings
Gabriel Brown
Must See TV: An All Star Tribute to James Burrows
Self
The Late Show with Stephen Colbert
Self - Guest
Lip Sync Battle
Self
CBGB
Terry Ork
In Time
Borel
Conan
Self
Conan
Self - Guest
Table for Three
Ted
Hancock
Jeremy
The Big Bang Theory
Leonard Hofstadter
Boulevard of Broken Dreams
Self (archive footage)
My Name Is Earl
Scott
American Dad!
Arnie (voice)
Happy Endings
Miles (uncredited)
The Late Late Show with Craig Ferguson
Self
LAX
Leland Pressman
Entourage
Johnny Galecki
Chrystal
Barry
Hope & Faith
Jay
The Ellen DeGeneres Show
Self
Bookies
Jude