Bella Ramsey

Ramsey is also the titular character of the 2018 Netflix original series Hilda. She is represented by actor's agency Conway van Gelder Grant.

Ramsey starred in the 2017 TV adaptation of The Worst Witch books, as the titular character, Mildred Hubble, and for which she won the Young Performer award at the 2019 British Academy Children's Awards. She announced on Instagram that she had left the series in 2020, with Mildred being recast as Lydia Page from the first episode of Series 4 onwards; incidentally, Page also trained at the Television Workshop in Nottingham.

From 2016 to 2019, Ramsey portrayed Lyanna Mormont in the HBO fantasy drama television series Game of Thrones. The part is Ramsey's first credited role. After her debut appearance in "The Broken Man" (season 6 episode 7), fans and critics noted Ramsey was 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". Ramsey continued in the role for the series' seventh and eighth seasons.

Isabella May Ramsey (born 30 September 2003) is an English child actress. She made her professional acting debut as the young noblewoman Lyanna Mormont in the HBO fantasy television series Game of Thrones; she is also known for playing the leading role of Mildred Hubble in the 2017 CBBC television series The Worst Witch. She's currently the voice of Hilda in the Peabody Award nominated critically acclaimed Netflix series from Luke Pearson Hilda.

Isabella May Ramsey was born in Nottingham, Nottinghamshire in 2003. Her father, Alex, is a businessman. Ramsey completes her schooling online through InterHigh School. She is a Christian and a vegan.