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Johnny Galecki

Johnny Galecki

Biography

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.

Known For: Acting

Birthday: 1975-04-30

Place of Birth: Bree, Belgium

Also Known As: