Jenna Louise Coleman- 'Clara Oswin Oswald' (Doctor No 11 and 12). She first appeared to No 11 as Oswin when she helped him escape. She appeared again as Clara and he realised she was the same woman but the characters had no idea of each other. She became known as the girl who lived and died TWICE. It is a Clara from 21st Century London that accompanies The Doctor. Knows nothing of the other two. Clara will see regeneration of Doctor No 11 into Doctor No 12.