Johnny Galecki

ActingBorn April 30, 1975 · 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 (52)

7.9

The Big Bang Theory

2007 · Series

The Big Bang Theory

7.9·2007

7.0

In Time

2011 · Movie

In Time

7.0·2011

6.4

Hancock

2008 · Movie

Hancock

6.4·2008

7.4

Family Guy

1999 · Series

Family Guy

7.4·1999

6.8

Vanilla Sky

2001 · Movie

Vanilla Sky

6.8·2001

6.0

I Know What You Did Last Summer

1997 · Movie

I Know What You Did Last Summer

6.0·1997

7.2

National Lampoon's Christmas Vacation

1989 · Movie

National Lampoon's Christmas Vacation

7.2·1989

6.5

Bean

1997 · Movie

Bean

6.5·1997

5.0

Rings

2017 · Movie

Rings

5.0·2017

7.0

American Dad!

2005 · Series

American Dad!

7.0·2005

8.1

A Dog's Journey

2019 · Movie

A Dog's Journey

8.1·2019

7.6

My Name Is Earl

2005 · Series

My Name Is Earl

7.6·2005

7.4

Entourage

2004 · Series

Entourage

7.4·2004

8.2

Batman Beyond

1999 · Series

Batman Beyond

8.2·1999

5.8

Bounce

2000 · Movie

Bounce

5.8·2000

6.8

Roseanne

1988 · Series

Roseanne

6.8·1988

6.6

Suicide Kings

1997 · Movie

Suicide Kings

6.6·1997

6.2

The Opposite of Sex

1998 · Movie

The Opposite of Sex

6.2·1998

6.4

CBGB

2013 · Movie

CBGB

6.4·2013

6.9

The Conners

2018 · Series

The Conners

6.9·2018

5.6

Happy Endings

2005 · Movie

Happy Endings

5.6·2005

6.4

Lip Sync Battle

2015 · Series

Lip Sync Battle

6.4·2015

6.2

Prancer

1989 · Movie

Prancer

6.2·1989

6.2

Blossom

1990 · Series

Blossom

6.2·1990

5.0

The Cleanse

2018 · Movie

The Cleanse

5.0·2018

5.0

A Night in the Life of Jimmy Reardon

1988 · Movie

A Night in the Life of Jimmy Reardon

5.0·1988

4.7

Table for Three

2009 · Movie

Table for Three

4.7·2009

6.3

Bookies

2003 · Movie

Bookies

6.3·2003

5.4

Hope & Faith

2003 · Series

Hope & Faith

5.4·2003

7.3

The Norm Show

1999 · Series

The Norm Show

7.3·1999

6.6

I'm Chevy Chase and You're Not

2025 · Movie

I'm Chevy Chase and You're Not

6.6·2025

5.6

Chrystal

2004 · Movie

Chrystal

5.6·2004

5.7

Playing Mona Lisa

2000 · Movie

Playing Mona Lisa

5.7·2000

4.7

In Defense of a Married Man

1990 · Movie

In Defense of a Married Man

4.7·1990

4.0

Must See TV: An All Star Tribute to James Burrows

2016 · Movie

Must See TV: An All Star Tribute to James Burrows

4.0·2016

5.0

Sudden Fury

1993 · Movie

Sudden Fury

5.0·1993

7.2

Without Consent

1994 · Movie

Without Consent

7.2·1994

6.1

Morgan's Ferry

2001 · Movie

Morgan's Ferry

6.1·2001

7.0

LAX

2004 · Series

LAX

7.0·2004

8.2

People's Choice Awards

1975 · Series

People's Choice Awards

8.2·1975

5.6

Backfield in Motion

1991 · Movie

Backfield in Motion

5.6·1991

3.7

Murder at My Door

1996 · Movie

Murder at My Door

3.7·1996

6.4

Blind Faith

1990 · Series

Blind Faith

6.4·1990

7.0

Hardball

1989 · Series

Hardball

7.0·1989

4.5

Civil Wars

1991 · Series

Civil Wars

4.5·1991

5.3

American Dreamer

1990 · Series

American Dreamer

5.3·1990

7.0

Billy

1992 · Series

Billy

7.0·1992

5.0

Murder Ordained

1987 · Movie

Murder Ordained

5.0·1987

7.0

SciJinks

2018 · Series

SciJinks

7.0·2018

The Little Dog Laughed

2020 · Movie

The Little Dog Laughed

2020

Unraveling the Mystery: A Big Bang Farewell

2019 · Movie

Unraveling the Mystery: A Big Bang Farewell

2019

Stars in the House

2020 · Series

Stars in the House

2020