Kelly Bishop was 33 in An Unmarried Woman when she played the character 'Elaine Liebowitz'.
That was over 46 years ago in 1978.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 80, and has starred in 17 movies in total, 16 of those since An Unmarried Woman was released.
In An Unmarried Woman, I think Kelly Bishop looks: