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.
Known for
The Little Dog Laughed
Stars in the House
A Dog's Journey
The Conners
SciJinks
The Cleanse
Rings
Must See TV: An All Star Tribute to James Burrows
Lip Sync Battle
CBGB
In Time
Conan
Table for Three
Hancock
The Big Bang Theory
My Name Is Earl
American Dad!
Happy Endings
The Late Late Show with Craig Ferguson
LAX
Chrystal
Hope & Faith
Bookies
Vanilla Sky
Bounce
Playing Mona Lisa
Morgan's Ferry
Family Guy
Batman Beyond
The Opposite of Sex
Suicide Kings
I Know What You Did Last Summer
Bean
Murder at My Door
Without Consent
Sudden Fury
Billy
Civil Wars
Backfield in Motion
In Defense of a Married Man
Blossom
Blind Faith
National Lampoon's Christmas Vacation
Prancer
Hardball
Roseanne
A Night in the Life of Jimmy Reardon
Murder Ordained
Entertainment Tonight