Pin for Later: Grown-Up Griswolds: Meet the Cast of National Lampoon's Vacation Reboot Leslie Mann Mann will play Audrey, Rusty's sister; Juliette Lewis once played the character in Christmas Vacation. Wait until you see who's playing her husband.
Juliette Lewis and Johnny Galecki, Christmas Vacation (1989)
Pin for Later: Do You Remember Every Rusty and Audrey From the National Lampoon Movies? Juliette Lewis and Johnny Galecki, Christmas Vacation (1989) Yes, that's Juliette Lewis before she grew up and became a Natural Born Killer, and Johnny Galecki way, way before Roseanne and The Big Bang Theory.