Johnny Galecki
1975-04-30 (1975)Bree, BelgiumActing
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.
Known For
Family Guy
TV • 1999
American Dad!
TV • 2005
Conan
TV • 2010
Conan
TV • 2010
The Late Show with Stephen Colbert
TV • 2015
The Late Late Show with Craig Ferguson
TV • 2005
Hope & Faith
TV • 2003
Entourage
TV • 2004
The Big Bang Theory
TV • 2007
My Name Is Earl
TV • 2005
Batman Beyond
TV • 1999
Stars in the House
TV • 2020
People's Choice Awards
TV • 1975
Blossom
TV • 1990
Roseanne
TV • 1988
Lip Sync Battle
TV • 2015
The Conners
TV • 2018
Entertainment Tonight
TV • 1981