Biography
Johnny Galecki
Acting
John Mark Galecki is an American actor. On television, he played Leonard Hofstadter on The Big Bang Theory (2007–2019) and David Healy in Roseanne and The Conners (2018–2019). Galecki also appeared in the films Prancer (1989), National Lampoon's Christmas Vacation (1989), Suicide Kings (1997), I Know What You Did Last Summer (1997), Bookies (2003), In Time (2011), and Rings (2017). In total, there are 60 recognized credits in film and television. On Cinestia you can browse Jo…
Career works
60
Movies
31
Series
29
Career average
6.2/10
Birth date
04/30/1975
Place of birth
Bree, Belgium
Filmography highlights
Movies
I'm Chevy Chase and You're Not
2025 · 6.5
The Little Dog Laughed
2020
Unraveling the Mystery: A Big Bang Farewell
2019
A Dog's Journey
2019 · 8.0
The Cleanse
2018 · 5.0
Rings
2017 · 5.0
Must See TV: An All Star Tribute to James Burrows
2016 · 4.0
CBGB
2013 · 6.4
In Time
2011 · 7.0
Table for Three
2009 · 4.7
Hancock
2008 · 6.4
Happy Endings
2005 · 5.6
Chrystal
2004 · 5.6
Bookies
2003 · 6.4
Vanilla Sky
2001 · 6.8
Series
Stars in the House
2020
The Conners
2018 · 7.0
SciJinks
2018 · 7.0
The Late Show with Stephen Colbert
2015 · 6.1
Lip Sync Battle
2015 · 6.4
Conan
2010 · 7.2
The Talk
2010 · 3.0
The Big Bang Theory
2007 · 7.9
—
Boulevard of Broken Dreams
2007 · 3.0
My Name Is Earl
2005 · 7.6
American Dad!
2005 · 7.0
The Late Late Show with Craig Ferguson
2005 · 6.9
LAX
2004 · 7.0
Entourage
2004 · 7.4
Hope & Faith
2003 · 5.4