Johnny Galecki
ActingBorn April 30, 1975 (age 51)
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.
Filmography
I'm Chevy Chase and You're Not2025 · Self
The Little Dog Laughed2020 · Alex
Stars in the House2020 · Self
Unraveling the Mystery: A Big Bang Farewell2019 · Self - Host
A Dog's Journey2019 · Henry Montgomery
The Conners2018 · David Healy
SciJinks2018 · Self - Host
The Cleanse2018 · Paul Berger
Rings2017 · Gabriel Brown
Must See TV: An All Star Tribute to James Burrows2016 · Self
The Late Show with Stephen Colbert2015 · Self - Guest
Lip Sync Battle2015 · Self
CBGB2013 · Terry Ork
In Time2011 · Borel
Conan2010 · Self
The Talk2010 · Self
Table for Three2009 · Ted
The Insiders2008 · Jeremy
The Big Bang Theory2007 · Leonard Hofstadter
Futurama: Bender's Big Score2007 · Self (archive footage)
My Name Is Earl2005 · Scott
American Dad!2005 · Arnie (voice)
Happy Endings2005 · Miles (uncredited)
The Late Late Show with Craig Ferguson2005 · Self
LAX2004 · Leland Pressman
Entourage2004 · Johnny Galecki
Chrystal2004 · Barry
Hope & Faith2003 · Jay
The Ellen DeGeneres Show2003 · Self
Yo Gabba Gabba!2003 · Jude
Action Man: A.T.O.M.2001 · Peter Brown
Morgan's Ferry2001 · Darcy
Bounce2000 · Seth
Playing Mona Lisa2000 · Arthur
The Norm Show1999 · Dale Stackhouse
Family Guy1999 · Leonard Hofstadter (voice)
Batman Beyond1999 · Knux (voice)
The Opposite of Sex1998 · Jason Bock
UC: Undercover1997 · Max Neurick
Suicide Kings1997 · Ira Reder
Murder at My Door1996
Without Consent1994
Sudden Fury1993
American Dreamer1990 · Danny Nash
In Defense of a Married Man1990