Acting credits
55
Established
Large and steady acting portfolio.
Actor
Johnny Galecki
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
2.1
Low visibility
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 31Series: 24Crew credits: 2
TMDB ID: 16478
IMDb ID: nm0301959
Known for: Acting
Born: April 30, 1975
Age: 50
Place of birth: Bree, Belgium
Gender: Male
Adult content flag: No
Career span: 1975 - 2025
Years active: 51
Average TMDB rating: 6.41
Wikidata: Q295739
Also known as
Џони Галецки • Τζόνι Γκαλέκι • 자니 갈렉키 • 強尼·格萊奇 • جانی گالکی • Джонни Галецки
Other jobs
Executive Producer (1)Producer (1)
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.
Photos
Movies
Movies
Movie credits linked with Johnny Galecki.
6.8
I'm Chevy Chase and You're Not
as Self
2025 Movie
The Little Dog Laughed
as Alex
2020 Movie
Unraveling The Mystery: A Big Bang Farewell
as Self - Host
2019 Movie
8.1
A Dog's Journey
as Henry Montgomery
2019 Movie
5.1
The Cleanse
as Paul Berger
2018 Movie
5.0
Rings
as Gabriel Brown
2017 Movie
4.1
Must See TV: An All Star Tribute to James Burrows
as Self
2016 Movie
6.3
CBGB
as Terry Ork
2013 Movie
7.0
In Time
as Borel
2011 Movie
4.7
Table for Three
as Ted
2009 Movie
6.4
Hancock
as Jeremy
2008 Movie
5.6
Happy Endings
as Miles (uncredited)
2005 Movie
5.7
Chrystal
as Barry
2004 Movie
6.3
Bookies
as Jude
2003 Movie
6.8
Vanilla Sky
as Peter Brown
2001 Movie
5.9
Morgan's Ferry
as Darcy
2001 Movie
5.8
Bounce
as Seth
2000 Movie
5.7
Playing Mona Lisa
as Arthur
2000 Movie
6.2
The Opposite of Sex
as Jason Bock
1998 Movie
6.0
I Know What You Did Last Summer
as Max Neurick
1997 Movie
6.6
Suicide Kings
as Ira Reder
1997 Movie
6.5
Bean
as Stingo Wheelie
1997 Movie
2.4
Murder at My Door
as Teddy McNair
1996 Movie
6.9
Without Consent
as Marty
1994 Movie
Series
Series
Series credits linked with Johnny Galecki.
Stars in the House
as Self • 1 eps
2020 Series
7.1
The Conners
as David Healy • 4 eps
2018 Series
SciJinks
as Himself - Host • 8 eps
2018 Series
6.4
Lip Sync Battle
as Self • 1 eps
2015 Series
7.1
Conan
as Self • 1 eps
2010 Series
7.9
The Big Bang Theory
as Leonard Hofstadter • 279 eps
2007 Series
7.7
My Name Is Earl
as Scott • 1 eps
2005 Series
7.0
American Dad!
as Arnie (voice) • 1 eps
2005 Series
6.7
The Late Late Show with Craig Ferguson
as Self • 1 eps
2005 Series
7.1
LAX
as Leland Pressman • 1 eps
2004 Series
7.4
Entourage
as Johnny Galecki • 3 eps
2004 Series
5.3
Hope & Faith
as Jay • 3 eps
2003 Series
6.8
The Norm Show
as Dale Stackhouse • 2 eps
1999 Series
7.4
Family Guy
as Leonard Hofstadter (voice) • 1 eps
1999 Series
8.2
Batman Beyond
as Knux (voice) • 1 eps
1999 Series
6.0
Billy
as David MacGregor • 13 eps
1992 Series
3.3
Civil Wars
as Greg Stolbach • 1 eps
1991 Series
4.5
American Dreamer
as Danny Nash • 17 eps
1990 Series
6.1
Blossom
as Jason • 1 eps
1990 Series
5.5
Blind Faith
as John Marshall • 2 eps
1990 Series
7.0
Hardball
1 eps
1989 Series
6.8
Roseanne
as David Healy • 92 eps
1988 Series
4.1
Entertainment Tonight
as Self • 2 eps
1981 Series
9.2
People's Choice Awards
as Self - Presenter • 1 eps
1975 Series