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Johnny Galecki

Johnny Galecki
  • Career: Actor,Producer,Dubbing,Scriptwriter
  • Date of birth: 1975-04-30
  • 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.