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Johnny Galecki
Acting60 credits

Johnny Galecki

  • Born 1975-04-30
  • 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

I'm Chevy Chase and You're Not
6.5

I'm Chevy Chase and You're Not

2025 · Movie

The Little Dog Laughed

The Little Dog Laughed

2020 · Movie

Stars in the House

Stars in the House

2020 · TV Show

Unraveling the Mystery: A Big Bang Farewell

Unraveling the Mystery: A Big Bang Farewell

2019 · Movie

A Dog's Journey
8.0

A Dog's Journey

2019 · Movie

The Conners
7.0

The Conners

2018 · TV Show

SciJinks
7.0

SciJinks

2018 · TV Show

The Cleanse
5.0

The Cleanse

2018 · Movie

Rings
5.0

Rings

2017 · Movie

Must See TV: An All Star Tribute to James Burrows
4.0

Must See TV: An All Star Tribute to James Burrows

2016 · Movie

The Late Show with Stephen Colbert
6.1

The Late Show with Stephen Colbert

2015 · TV Show

Lip Sync Battle
6.4

Lip Sync Battle

2015 · TV Show

CBGB
6.4

CBGB

2013 · Movie

In Time
7.0

In Time

2011 · Movie

Conan
7.2

Conan

2010 · TV Show

The Talk
3.0

The Talk

2010 · TV Show

Table for Three
4.7

Table for Three

2009 · Movie

Hancock
6.4

Hancock

2008 · Movie

The Big Bang Theory
7.9

The Big Bang Theory

2007 · TV Show

3.0

Boulevard of Broken Dreams

2007 · TV Show

My Name Is Earl
7.6

My Name Is Earl

2005 · TV Show

American Dad!
7.0

American Dad!

2005 · TV Show

Happy Endings
5.6

Happy Endings

2005 · Movie

The Late Late Show with Craig Ferguson
6.9

The Late Late Show with Craig Ferguson

2005 · TV Show

LAX
7.0

LAX

2004 · TV Show

Entourage
7.4

Entourage

2004 · TV Show

Chrystal
5.6

Chrystal

2004 · Movie

Hope & Faith
5.4

Hope & Faith

2003 · TV Show

The Ellen DeGeneres Show
5.6

The Ellen DeGeneres Show

2003 · TV Show

Bookies
6.4

Bookies

2003 · Movie

Vanilla Sky
6.8

Vanilla Sky

2001 · Movie

Morgan's Ferry
6.1

Morgan's Ferry

2001 · Movie

Bounce
5.8

Bounce

2000 · Movie

Playing Mona Lisa
5.7

Playing Mona Lisa

2000 · Movie

The Norm Show
7.3

The Norm Show

1999 · TV Show

Family Guy
7.4

Family Guy

1999 · TV Show

Batman Beyond
8.2

Batman Beyond

1999 · TV Show

The Opposite of Sex
6.2

The Opposite of Sex

1998 · Movie

I Know What You Did Last Summer
6.0

I Know What You Did Last Summer

1997 · Movie

Suicide Kings
6.6

Suicide Kings

1997 · Movie

Bean
6.5

Bean

1997 · Movie

Murder at My Door
3.7

Murder at My Door

1996 · Movie

Without Consent
7.2

Without Consent

1994 · Movie

Sudden Fury
5.0

Sudden Fury

1993 · Movie

Billy
7.0

Billy

1992 · TV Show

Civil Wars
4.5

Civil Wars

1991 · TV Show

Backfield in Motion
5.6

Backfield in Motion

1991 · Movie

In Defense of a Married Man
4.7

In Defense of a Married Man

1990 · Movie

American Dreamer
5.3

American Dreamer

1990 · TV Show

Blossom
6.2

Blossom

1990 · TV Show

Blind Faith
6.4

Blind Faith

1990 · TV Show

National Lampoon's Christmas Vacation
7.2

National Lampoon's Christmas Vacation

1989 · Movie

Prancer
6.2

Prancer

1989 · Movie

Hardball
7.0

Hardball

1989 · TV Show

Roseanne
6.8

Roseanne

1988 · TV Show

A Night in the Life of Jimmy Reardon
5.0

A Night in the Life of Jimmy Reardon

1988 · Movie

Murder Ordained
5.0

Murder Ordained

1987 · Movie

Entertainment Tonight
4.3

Entertainment Tonight

1981 · TV Show

People's Choice Awards
8.3

People's Choice Awards

1975 · TV Show

10.0

Peep Show

— · TV Show

Full Filmography

60 titles, newest first

I'm Chevy Chase and You're Not
6.5

I'm Chevy Chase and You're Not

2025 · Movie

The Little Dog Laughed

The Little Dog Laughed

2020 · Movie

Stars in the House

Stars in the House

2020 · TV Show

Unraveling the Mystery: A Big Bang Farewell

Unraveling the Mystery: A Big Bang Farewell

2019 · Movie

A Dog's Journey
8.0

A Dog's Journey

2019 · Movie

The Conners
7.0

The Conners

2018 · TV Show

SciJinks
7.0

SciJinks

2018 · TV Show

The Cleanse
5.0

The Cleanse

2018 · Movie