Glenn Close was 27 in The Rules of the Game when she played the character 'Neighbor'.
That was over 49 years ago in 1975.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 77, and has starred in 110 movies in total, 107 of those since The Rules of the Game was released.
In The Rules of the Game, I think Glenn Close looks: