Born 1975 (age 51) · Bree, Belgium
Appears in 59 titles

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.

Filmography

In Time
7.0
In Time
2011
as Borel
Hancock
6.4
Hancock
2008
as Jeremy
Vanilla Sky
6.8
Vanilla Sky
2001
as Peter Brown
I Know What You Did Last Summer
6.0
I Know What You Did Last Summer
1997
as Max Neurick
National Lampoon's Christmas Vacation
7.2
National Lampoon's Christmas Vacation
1989
as Rusty Griswold
Rings
5.0
Rings
2017
as Gabriel Brown
Bean
6.5
Bean
1997
as Stingo Wheelie
A Dog's Journey
8.1
A Dog's Journey
2019
as Henry Montgomery
Bounce
5.8
Bounce
2000
as Seth
Suicide Kings
6.6
Suicide Kings
1997
as Ira Reder
The Opposite of Sex
6.2
The Opposite of Sex
1998
as Jason Bock
CBGB
6.3
CBGB
2013
as Terry Ork
Happy Endings
5.6
Happy Endings
2005
as Miles (uncredited)
Prancer
6.0
Prancer
1989
as Billy Quinn
The Cleanse
5.1
The Cleanse
2018
as Paul Berger
A Night in the Life of Jimmy Reardon
5.1
A Night in the Life of Jimmy Reardon
1988
as Toby Reardon
Table for Three
4.7
Table for Three
2009
as Ted
Bookies
6.4
Bookies
2003
as Jude
Chrystal
5.8
Chrystal
2004
as Barry
Playing Mona Lisa
6.0
Playing Mona Lisa
2000
as Arthur