Ok they don't have to be actual actors... but the person who think the look will be suited to the book characters.
I for one think they cast some poor characters, the only one I liked was Alan Rickman as Snape, and the first Dumbledore (The second one is too angry and loud) But Alan Rickman's hair was all wrong and he wasn't nasty enough.
Ok. These are actors for Ginny Weasly. Reason being, they are all stunningly beautiful, as the book depicts. The movie actress wasn't bad looking but not to the book standard in my opinion. My choices:
