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.
Dikenal sebagai: Acting
Ulang tahun: 1975-04-30
Tempat Lahir: Bree, Belgium
Disebut Juga Sebagai: