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Johnny Galecki

Johnny Galecki

Born 1975-04-30 (age 51) Bree, Belgium
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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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Known For

In Time
In Time

2011

as Borel

National Lampoon's Christmas Vacation
National Lampoon's Christmas Vacation

1989

as Rusty Griswold

I Know What You Did Last Summer
I Know What You Did Last Summer

1997

as Max Neurick

Hancock
Hancock

2008

as Jeremy

Vanilla Sky
Vanilla Sky

2001

as Peter Brown

A Dog's Journey
A Dog's Journey

2019

as Henry Montgomery

Rings
Rings

2017

as Gabriel Brown

Bean
Bean

1997

as Stingo Wheelie

Bounce
Bounce

2000

as Seth

I'm Chevy Chase and You're Not
I'm Chevy Chase and You're Not

2025

as Self

Happy Endings
Happy Endings

2005

as Miles (uncredited)

Prancer
Prancer

1989

as Billy Quinn

The Opposite of Sex
The Opposite of Sex

1998

as Jason Bock

CBGB
CBGB

2013

as Terry Ork

Suicide Kings
Suicide Kings

1997

as Ira Reder

Must See TV: An All Star Tribute to James Burrows
Must See TV: An All Star Tribute to James Burrows

2016

as Self

Sudden Fury
Sudden Fury

1993

as Daniel Hannigan

Bookies
Bookies

2003

as Jude

A Night in the Life of Jimmy Reardon
A Night in the Life of Jimmy Reardon

1988

as Toby Reardon

Morgan's Ferry
Morgan's Ferry

2001

as Darcy