Viola Learman

 was the niece of General Mariah Learman, the prime minister of the UK after the eurozone wars. She was concerned that her aunt's experiments with time travel, was the reason for which people were forgetting William Shakespeare, but is was in fact her fault for taking him out of time.

When Charley and The Doctor visited London, she befriend them, and helped them unravel the Daleks plan. During the course of events she accidentally took herself and Charley to 1572, and were almost exterminated by the Daleks. (BFA:The Time Of The Daleks)