Parker Posey was 21 in First Love, Fatal Love when she played an uncredited character.
That was over 33 years ago in 1991.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 55, and has starred in 82 movies in total, 80 of those since First Love, Fatal Love was released.
In First Love, Fatal Love, I think Parker Posey looks: