An old woman is a minor character in the fifth season. She is played by Stella McCusker and appears in "High Sparrow".
Biography
Background
She's among the lowborn people gathered to rebuild Winterfell.
Season 5
She greets Sansa Stark after she's taken to Winterfell for her impending marriage to Ramsay Bolton. She warmly tells her that "the North remembers".[1]
In the books
In the novels there is no equivalent scene or character. However, the phrase "the North remembers" is common among certain Northern nobles reeling, even those that aligned with as they too lost relatives or men to the betrayal of, towards whom the phrase is usually directed. In the novels, the level of involvement of the Boltons in the Red Wedding is not common knowledge, though it is suspected by several prominent characters.