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.
Routinely exploited by her wicked stepmother, the downtrodden Samantha Montgomery is excited about the prospect of meeting her Internet beau at the school's Halloween dance.
