Johnny Galecki, counts Rusty in "Christmas Vacation" as one of his earliest roles. Read more: The 113 Best Comedy Movies Ever "Christmas Vacation" was indeed one of Galecki's first jobs in the ...
Johnny Galecki is an American actor ... He also has appeared in the films National Lampoon's Christmas Vacation (1989), I Know What You Did Last Summer (1997), In Time (2011) and Rings (2017).