Johnny Galecki

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

A Dog's Journey 2019 ★ 8.1

The Conners 2018 ★ 7.0

Rings 2017 ★ 5.0

In Time 2011 ★ 7.0

Hancock 2008 ★ 6.4

The Big Bang Theory 2007 ★ 7.9

American Dad! 2005 ★ 7.0

My Name Is Earl 2005 ★ 7.6

Entourage 2004 ★ 7.4

LAX 2004 ★ 7.3

Hope & Faith 2003 ★ 5.4

Vanilla Sky 2001 ★ 6.8

Bounce 2000 ★ 5.8

Family Guy 1999 ★ 7.4

Batman Beyond 1999 ★ 8.2

The Norm Show 1999 ★ 7.1

Bean 1997 ★ 6.5

I Know What You Did Last Summer 1997 ★ 6.0

Civil Wars 1991 ★ 4.5

Blossom 1990 ★ 6.2

American Dreamer 1990 ★ 5.3

National Lampoon's Christmas Vacation 1989 ★ 7.2

Hardball 1989 ★ 7.0

Roseanne 1988 ★ 6.8