Whose the picture of the girl beside Cho, not Luna but the other one?

That's Katie McGrath from the hit show 'Merlin' playing the evil sorceress Morgarna-I used her as Rowena Ravenclaw to represent Ravenclaw-I'm making a new banner as i hate this one!!!!
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The other guy is Heath Ledger in "A knights tale"-I used him for Godric Gryffindor!