Johnny Galecki
Known For: Acting
Gender: Male
Date of Birth: April 30, 1975 (50 years old)
Place of Birth: Bree, Belgium
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.
