Her character is a young woman who has a baby by her own father, and becomes protected by the character Samwell Tarly.
She has received praise for her performances in the Off West End play Martine 2014 and the film Bridgend.
Many fans also know her as Gilly from fantasy series Game of Thrones.
Hannah murrays early life childhood.
That same year, she had a small role in the black comedy In Bruges, but her scene was cut from the film.
In 2015 she played Sara in the Danish film Bridgend, based on the Bridgend suicides of South Wales.
The film then had its North American premiere at the Tribeca Film Festival where it won 3 awards, including Murray for Best Actress.
She was upgraded to a series regular for the fourth season.