Johnny Galecki

Acting

Born: 1975-04-30

Bree, Belgium

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

57 Works

7.4

Family Guy

1999

7.0

American Dad!

2005

6.1

The Late Show with Stephen Colbert

2015

7.2

Conan

2010

7.9

The Big Bang Theory

2007

7.4

Entourage

2004

6.8

The Late Late Show with Craig Ferguson

2005

7.7

My Name Is Earl

2005

5.6

The Ellen DeGeneres Show

2003

8.2

Batman Beyond

1999

9.2

People's Choice Awards

1975

7.1

The Conners

2018