
Acting
Johnny Galecki
Bree, BelgiumBorn 1975 (50 years old)
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.
31
Films
24
TV Shows
1
Crew Credits
Known For
55 Credits
Family Guy
as Leonard Hofstadter (voice)
1999

American Dad!
as Arnie (voice)
2005

Conan
as Self
2010

The Late Late Show with Craig Ferguson
as Self
2005

The Big Bang Theory
as Leonard Hofstadter
2007

Entourage
as Johnny Galecki
2004

My Name Is Earl
as Scott
2005

Batman Beyond
as Knux (voice)
1999

Stars in the House
as Self
2020

The Conners
as David Healy
2018

Lip Sync Battle
as Self
2015

Blossom
as Jason
1990
