Lily COLE (UK) - IMDb

Other possibilities :

Anna PAQUIN (Canada) - IMDb

Emma STONE (USA) - IMDb

Youngest sibling of the Dirty Half Dozen. She can do everything her five older brothers can do, shoot, spit, ride, cheat at poker...everything, that is, except the one thing her over-protective brothers won't let her do...yes, that thing!

Emily BLUNT (UK) - IMDb