And then the idea was that, 'I'm not going to do this fourth season because it's not worth it, because I'm in a better place now. She told Elle Magazine: 'I would say the more accurate description is that I had resolved a lot of my mental health problems by that point. Ramsey has also spoken about her mental health issues while working on The Worst Witch, departing after three series and going on to other projects. She went on to star as Mildred Hubble in CBBC’s reboot of The Worst Witch as well as voicing the title character in the animated series Hilda. Ramsey is actually much older than her onscreen character at 19.Īfter her global breakthrough role as Lyanna Mormont in Game of Thrones, she quickly became a fan-favourite. How old is The Last of Us actress Bella Ramsey?