The Waif from season six of Game of Thrones may have annoyed viewers the way she acted to Arya (Maisie Williams), but actress Faye Marsay has been forced to quit social media after admitting she got "a lot of shit" after the role.

Because people can't tell the difference between actors and their characters, apparently.

Marsay played the stick-waving assassin in the fifth and sixth seasons of Game of Thrones, notably stabbing Arya in the recent season. But Faye has now quit Facebook after receiving some online hate.

Speaking at a press conference this week, the actress revealed her dislike of social media since taking on the role, adding that some people want to know a little bit too much.

Sky Atlantic

She said: "I got a lot of shit after Game of Thrones but people were also really nice.

"I've had people trying to figure out who I'm in a relationship with and all that shit."

The 29-year-old actress is also starring in Charlie Brooker's latest series of Black Mirror, in the episode 'Hated in the Nation'. It will focus on the issue of online trolls, which Faye admitted is something that terrifies her.

"I was a teenager in the '90s. I didn't get a mobile phone until I was 15, so for me, this shit scares me as well," she said. "I remember the '90s and nothing was that intrusive."

Amanda Edwards/WireImage

In fact, Faye confessed to quitting Facebook over her worries about social media.

She added: "I've just come off Facebook three days ago. But I'll go to check it and be like, 'f**king hell, I'm not on that anymore', and thank god I'm not. It's terrifying, social media, it terrifies me."

Maybe not as terrifying as getting stabbed by a Waif who wears the faces of dead people, but we see her point.

Series 3 of Black Mirror comes to Netflix from October 21.

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