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.
It follows Superman as he reconciles his heritage with his human upbringing. He is the embodiment of truth, justice and the American way in a world that views kindness as old-fashioned.
