Johnny Galecki

Born

April 30, 1975 (50 years old)

Known For

Acting

Place of Birth

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.

Known For

7.9

Vanilla Sky

The Little Dog Laughed

Alex

0.0

2020

Stars in the House

Self · (1 episode)

0.0

2020

A Dog's Journey

Henry Montgomery

8.1

2019

The Conners

David Healy · (4 episodes)

7.1

2018

太平洋战士

主演 · (10 episodes)

0.0

2018

SciJinks

Himself - Host · (8 episodes)

0.0

2018

The Cleanse

Paul Berger

5.1

2018

Rings

Gabriel Brown

5.0

2017

Must See TV: An All Star Tribute to James Burrows

Self

4.1

2016

Lip Sync Battle

Self · (1 episode)

6.4

2015

CBGB

Terry Ork

6.4

2013

In Time

Borel

7.0

2011

Conan

Self · (1 episode)

7.1

2010

Table for Three

Ted

4.7

2009

Hancock

Jeremy

6.3

2008

The Big Bang Theory

Leonard Hofstadter · (279 episodes)

7.9

2007

Boulevard of Broken Dreams

(archive footage) · (1 episode)

3.0

2007

My Name Is Earl

Scott · (1 episode)

7.7

2005

American Dad!

Arnie (voice) · (1 episode)

7.0

2005

Happy Endings

Miles (uncredited)

5.7

2005

The Late Late Show with Craig Ferguson

Self · (1 episode)

6.8

2005

LAX

Leland Pressman · (1 episode)

7.4

2004

Chrystal

Barry

5.9

2004

Hope & Faith

Jay · (3 episodes)

5.4

2003

Bookies

Jude

6.3

2003

Vanilla Sky

Peter Brown

6.8

2001

Morgan's Ferry

Darcy

5.9

2001

Bounce

Seth

5.8

2000

Playing Mona Lisa

Arthur

5.7

2000

The Norm Show

Dale Stackhouse · (2 episodes)

7.0

1999

Family Guy

Leonard Hofstadter (voice) · (1 episode)

7.4

1999

Batman Beyond

Knux (voice) · (1 episode)

8.1

1999

The Opposite of Sex

Jason Bock

6.2

1998

I Know What You Did Last Summer

Max Neurick

6.0

1997

Suicide Kings

Ira Reder

6.6

1997

Bean

Stingo Wheelie

6.5

1997

Murder at My Door

Teddy McNair

2.4

1996

Without Consent

Marty

7.4

1994

Sudden Fury

Daniel Hannigan

5.3

1993

Billy

David MacGregor · (13 episodes)

6.0

1992

Civil Wars

Greg Stolbach · (1 episode)

2.0

1991

Backfield in Motion

Tim Seavers

4.4

1991

In Defense of a Married Man

Eric

4.8

1990

American Dreamer

Danny Nash · (17 episodes)

6.0

1990

Blossom

Jason · (1 episode)

6.1

1990

Blind Faith

John Marshall · (2 episodes)

5.5

1990

National Lampoon's Christmas Vacation

Russell 'Rusty' Griswold

7.2

1989

Prancer

Billy Quinn

5.9

1989

Hardball

(1 episode)

7.0

1989

Roseanne

David Healy · (92 episodes)

6.8

1988

A Night in the Life of Jimmy Reardon

Toby Reardon

5.1

1988

Murder Ordained

Doug Rule

5.0

1987

Entertainment Tonight

Self · (2 episodes)

4.1

1981