Susan Walters was 23 in Russkies when she played the character 'Diane'.
That was over 37 years ago in 1987.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 60, and has starred in 27 movies in total, 26 of those since Russkies was released.
In Russkies, I think Susan Walters looks: