All Movies List
SciJinks

as Himself - Host

2018
The Cleanse

as Paul Berger

2018
Rings

as Gabriel Brown

2017
CBGB

as Terry Ork

2013
In Time

as Borel

2011
Table for Three

as Ted

2009
Hancock

as Jeremy

2008
The Big Bang Theory

as Leonard Hofstadter

2007
Vanilla Sky

as

2001
Playing Mona Lisa

as Arthur

2000
Morgan's Ferry

as Darcy

1999
The Opposite of Sex

as Jason Bock

1998
Suicide Kings

as Ira Reder

1998
Without Consent

as Marty

1994
Billy

as David MacGregor

1992
Backfield in Motion

as Tim Seavers

1991
American Dreamer

as Danny Nash

1990
Blind Faith

as John Marshall

1990
National Lampoon's Christmas Vacation

as Russell 'Rusty' Griswold

1989
Prancer

as Billy Quinn

1989
Johnny Galecki Johnny Galecki

Birthday

1975-04-30

Place of Birth

Bree, Belgium

Biography

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.
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