Guys, BBC hasn't ruled out the possibility of a female doctor. If you remember when 10 became 11, the Doctor freaked out for a moment because he thought he regenerated into a woman, which showed that it was possible for it to happen. Hey if you can change race then changing gender can't be out of the question. An we all know how he feels about gingers. I honestly feel they should cast Bonnie Wright for the role. Could you jut imagine how excited the Doctor would be when he sees the ginger hair hanging in his face? I myself imagine it would be something like this:
"Dr: *gasps* I'm a ginger!! CLARA IM A GINGER!! After a thousand years of time