She looks like....(the daughter of...)
First minute I saw her, she reminded me of Julia Ormond.
I searched if she was her daughter or something in blonde version.
As I am seeing her in the Dome, has the same nose as J.O.
http://www.movpins.com/big/MV5BMTUxODgxMjQ2MF5BMl5BanBnXkFtZTcwNjE1Njg wMw/still-of-julia-ormond-in-first-knight.jpg
Google is your enemy.