Natalie Dormer was 22 in Casanova when she played the character 'Victoria'.
That was over 18 years ago in 2005.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 42, and has starred in 26 movies in total, 23 of those since Casanova was released.
In Casanova, I think Natalie Dormer looks: