Fanny Ardant was 26 in Marie, the Doll when she played the character 'Marie-Paule, George's wife'.
That was over 48 years ago in 1976.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 75, and has starred in 98 movies in total, 90 of those since Marie, the Doll was released.
In Marie, the Doll, I think Fanny Ardant looks: