Johnny Galecki

Born: 1975-04-30 in Bree, Belgium (43 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.
(7 credits)

Filmography

2017

2013

2011

2008

2007

2001

1997