Johnny Galecki
Acting
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.
I'm Chevy Chase and You're Not
Self
The Little Dog Laughed
Alex
Unraveling The Mystery: A Big Bang Farewell
Self - Host
A Dog's Journey
Henry Montgomery
The Cleanse
Paul Berger
Rings
Gabriel Brown
Must See TV: An All Star Tribute to James Burrows
Self
CBGB
Terry Ork
In Time
Borel
Table for Three
Ted
Hancock
Jeremy
Happy Endings
Miles (uncredited)
Chrystal
Barry
Bookies
Jude
Vanilla Sky
Peter Brown
Morgan's Ferry
Darcy
Bounce
Seth
Playing Mona Lisa
Arthur
The Opposite of Sex
Jason Bock
I Know What You Did Last Summer
Max Neurick
Suicide Kings
Ira Reder
Bean
Stingo Wheelie
Murder at My Door
Teddy McNair
Without Consent
Marty
Sudden Fury
Daniel Hannigan
Backfield in Motion
Tim Seavers
In Defense of a Married Man
Eric
National Lampoon's Christmas Vacation
Rusty Griswold
Prancer
Billy Quinn
A Night in the Life of Jimmy Reardon
Toby Reardon
Murder Ordained
Doug Rule