Johnny Galecki

Acting

80%

AVG SCORE · 1 TITLE

Born April 30, 1975 (age 50) · 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.