Johnny Galecki

  • Career: Actor
  • Date of birth: 30th of April 1975
  • Place of birth: Bree, Belgium
  • Age: 49
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.

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