Johnny Galecki
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.

Top 10 collaborators

Roles

Match
The Little Dog Laughed (2020)
Alex
A Dog's Journey (2019)
Henry Montgomery
The Cleanse (2018)
Paul Berger
Rings (2017)
Gabriel Brown
Must See TV: An All Star Tribute to James Burrows (2016)
Self
CBGB (2013)
Terry Ork
In Time (2011)
Borel
Table for Three (2009)
Ted
Hancock (2008)
Jeremy
Happy Endings (2005)
Miles (uncredited)
Chrystal (2004)
Barry
Bookies (2003)
Jude
Vanilla Sky (2001)
Peter Brown
Morgan's Ferry (2001)
Darcy
Bounce (2000)
Seth
Playing Mona Lisa (2000)
Arthur
The Opposite of Sex (1998)
Jason Bock
I Know What You Did Last Summer (1997)
Max Neurick
Suicide Kings (1997)
Ira Reder
Bean (1997)
Stingo Wheelie
Murder at My Door (1996)
Teddy McNair
Without Consent (1994)
Marty
Sudden Fury (1993)
Daniel Hannigan
Backfield in Motion (1991)
Tim Seavers
In Defense of a Married Man (1990)
Eric
National Lampoon's Christmas Vacation (1989)
Russell 'Rusty' Griswold
Prancer (1989)
Billy Quinn
A Night in the Life of Jimmy Reardon (1988)
Toby Reardon
Murder Ordained (1987)
Doug Rule

Crew

The Cleanse (2018)
Producer