This article is written from a real world point of view and so is not considered part of The Worst Witch universe.

Bella Ramsey
Bella Ramsey

Birth Name





Years Active


Bella Ramsey (born 2004) is a British child actress. She made her professional acting debut as the young noblewoman Lyanna Mormont in the HBO fantasy television series Game of Thrones. Ramsey plays the title character, Mildred Hubble in the 2017 TV adaptation of the The Worst Witch books.


Bella Ramsey as Lyanna Mormont in Game of Thrones

Since 2016, Ramsey has played Lyanna Mormont in the HBO fantasy drama television series Game of Thrones. The part of Lyanna Mormont is Ramsey's first credited role. After her debut appearance in one scene in the seventh episode of the sixth season of Game of Thrones, fans and critics noted Ramsey as a standout actress for portraying her character's no-nonsense leadership style. This reaction was repeated after her appearance in the season finale, with The Hollywood Reporter calling her "season 6's breakout star". She is set to return for the seventh season.