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.

Filmography (6)

A Dog's Journey

2019 ★ 8.1

as Henry Montgomery

Rings

2017 ★ 5.0

as Gabriel Brown

In Time

2011 ★ 7.0

as Borel

Hancock

2008 ★ 6.4

as Jeremy

I Know What You Did Last Summer

1997 ★ 6.0

as Max Neurick

National Lampoon's Christmas Vacation

1989 ★ 7.2

as Rusty Griswold