Clémence Poésy was 18 in Olga's Summer when she played the character 'Olga'.
That was over 22 years ago in 2002.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 41, and has starred in 37 movies in total, 33 of those since Olga's Summer was released.
In Olga's Summer, I think Clémence Poésy looks: