
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.
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.
IMDb: https://www.imdb.com/title/nm0301959
Wikipedia: https://www.wikidata.org/wiki/Q295739
Facebook: No data

I'm Chevy Chase and You're Not
Character:Self
Release Date:04/12/2025

The Little Dog Laughed
Character:Alex
Release Date:22/04/2020

Unraveling The Mystery: A Big Bang Farewell
Character:Self - Host
Release Date:16/05/2019

A Dog's Journey
Character:Henry Montgomery
Release Date:03/05/2019

The Cleanse
Character:Paul Berger
Release Date:04/05/2018

Rings
Character:Gabriel Brown
Release Date:01/02/2017

Must See TV: An All Star Tribute to James Burrows
Character:Self
Release Date:21/02/2016

CBGB
Character:Terry Ork
Release Date:11/10/2013

In Time
Character:Borel
Release Date:27/10/2011

Table for Three
Character:Ted
Release Date:23/06/2009

Hancock
Character:Jeremy
Release Date:01/07/2008

Happy Endings
Character:Miles (uncredited)
Release Date:20/01/2005

Chrystal
Character:Barry
Release Date:26/02/2004

Bookies
Character:Jude
Release Date:20/01/2003

Vanilla Sky
Character:Peter Brown
Release Date:14/12/2001

Morgan's Ferry
Character:Darcy
Release Date:27/11/2001

Bounce
Character:Seth
Release Date:15/11/2000

Playing Mona Lisa
Character:Arthur
Release Date:01/05/2000

The Opposite of Sex
Character:Jason Bock
Release Date:22/05/1998

I Know What You Did Last Summer
Character:Max Neurick
Release Date:17/10/1997

Suicide Kings
Character:Ira Reder
Release Date:06/09/1997

Bean
Character:Stingo Wheelie
Release Date:03/07/1997

Murder at My Door
Character:Teddy McNair
Release Date:08/10/1996

Without Consent
Character:Marty
Release Date:16/10/1994

Sudden Fury
Character:Daniel Hannigan
Release Date:21/11/1993

Backfield in Motion
Character:Tim Seavers
Release Date:13/11/1991

In Defense of a Married Man
Character:Eric
Release Date:14/10/1990

National Lampoon's Christmas Vacation
Character:Rusty Griswold
Release Date:30/11/1989

Prancer
Character:Billy Quinn
Release Date:17/11/1989

A Night in the Life of Jimmy Reardon
Character:Toby Reardon
Release Date:26/07/1988

Murder Ordained
Character:Doug Rule
Release Date:03/05/1987

Stars in the House
Character:Self

The Conners
Character:David Healy

SciJinks
Character:Himself - Host

Lip Sync Battle
Character:Self

Conan
Character:Self

The Big Bang Theory
Character:Leonard Hofstadter

Boulevard of Broken Dreams
Character:Self (archive footage)

My Name Is Earl
Character:Scott

American Dad!
Character:Arnie (voice)

The Late Late Show with Craig Ferguson
Character:Self

LAX
Character:Leland Pressman

Entourage
Character:Johnny Galecki

Hope & Faith
Character:Jay

The Norm Show
Character:Dale Stackhouse

Family Guy
Character:Leonard Hofstadter (voice)

Batman Beyond
Character:Knux (voice)

Billy
Character:David MacGregor

Civil Wars
Character:Greg Stolbach

American Dreamer
Character:Danny Nash

Blossom
Character:Jason

Blind Faith
Character:John Marshall

Hardball
Character:

Roseanne
Character:David Healy

Entertainment Tonight
Character:Self

People's Choice Awards
Character:Self - Presenter