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
The Big Bang Theory
for The Big Bang Theory in Best Actor By Movie/ Show
Suggested by user_82694
Per Movie, show or even video game vote for the actor you think gave the best performance.
