April 30, 1975 (Age: 50)
Bree, Belgium
Acting
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.
2011
2008
2001
1997
1989
2019
2017
1998
2013
