Age: 51
male
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.
Johnny Galecki
1975
for 1975 in Best Actor by Birthyear
Suggested by lieutinant_whoareyou
Choose who you think are the best actors by the year they were all born in.
