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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Johnny Galecki

Johnny Galecki

Johnny Galecki

Known For

In Time

In Time

2011

as Borel

Hancock

Hancock

2008

as Jeremy

A Dog's Journey

A Dog's Journey

2019

as Henry Montgomery

Bean

Bean

1997

as Stingo Wheelie

Vanilla Sky

Vanilla Sky

2001

as Peter Brown

Rings

Rings

2017

as Gabriel Brown

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

Bounce

Bounce

2000

as Seth

Must See TV: An All Star Tribute to James Burrows

Must See TV: An All Star Tribute to James Burrows

2016

as Self

CBGB

CBGB

2013

as Terry Ork

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)

Suicide Kings

Suicide Kings

1997

as Ira Reder

A Night in the Life of Jimmy Reardon

A Night in the Life of Jimmy Reardon

1988

as Toby Reardon

Prancer

Prancer

1989

as Billy Quinn

The Opposite of Sex

The Opposite of Sex

1998

as Jason Bock

The Cleanse

The Cleanse

2018

as Paul Berger

Chrystal

Chrystal

2004

as Barry

Sudden Fury

Sudden Fury

1993

as Daniel Hannigan