User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/'HOW' characters could return in Series 5/@comment-4650675-20120410113137/@comment-4190137-20120410132531

Haha! I don't think they can return all of the characters above in 13 episodes! Maybe at least a few of them!