The 20-year-old actress has portrayed Sansa Stark in all six series of the fantasy drama and admits she is constantly anxious about the fate of her alter ego, reported Femalefirst.
"Oh my God, I'm so terrified Sansa will die," she said.
And her fears are shared by all her co-stars.
Asked if it is a concern for everyone, she said, "Yes, oh my God. Yeah. It's crazy. Almost every day we're on set we're like, 'Who do you think is gonna go next?'