'Game of Thrones' star Jacob Anderson responds to morbid theory about Grey Worm and the killer butterflies of Naath

Helen Sloan/HBOJacob Anderson plays Grey Worm on ‘Game of Thrones.’
  • “Game of Thrones” star Jacob Anderson (who plays Grey Worm) says all of the Unsullied are “just gonna die straight away” when they arrive to Naath.
  • “What actually happens is Grey Worm dies a horrible death by butterflies,” Anderson said in an interview with INSIDER on the red carpet of the MTV Movie and TV awards.
  • In George R.R. Martin’s books, he writes that butterflies in Naath carry a deadly disease that kills any “strangers from beyond the sea” in a horrible manner.
  • Anderson joked that showrunners David Benioff and D.B. Weiss told him personally about Grey Worm’s off-screen fate.
  • Visit INSIDER’s homepage for more stories.

“Game of Thrones” star Jacob Anderson, who played Grey Worm on HBO’s hit series, has bad news for anyone hoping the Unsullied sailed away towards a peaceful new life in Naath at the end of the series.

“The Unsullied are just gonna die straight away as soon as they get there,” Anderson told INSIDER on the red carpet of the MTV Movie and TV awards on Saturday night in Los Angeles.

Read more:
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As IGN pointed out following the “Game of Thrones” finale, George R.R. Martin’s book “A World of Ice and Fire” contains a troubling section on Naath – the island where Missandei was born, and the place Grey Worm set sail for in the final scenes of the show.

Grey worm missandei game of thronesHBOGrey Worm promised Missandei he would go to Naath with her before she died.

Naath is often called the Isle of Butterflies because a large variety of the winged creatures live there. But Martin says “strangers from beyond the sea” will die on the island thanks to a deadly disease carried by a butterfly species there which kills foreigners within a year.

“Fever is the first sign of the plague, followed by painful spasms that make it seem as if victims are dancing wildly and uncontrollably,” Martin’s “A World of Ice and Fire” book says. “In the last stage, the afflicted sweat blood, and their flesh sloughs from their bones.”

Showrunners David Benioff and Dan “D.B.” Weiss made no mention of the butterflies on the show, though.

“Yeah but that’s a book thing,” Anderson said at first when INSIDER asked if he’d heard about the killer butterflies. “It’s not in [the] show. I mean, actually, do you know what? I want to spread [the word] that David and Dan told me that that’s real. And the Unsullied are just gonna die straight away as soon as they get there.”

Read more:
31 questions the ‘Game of Thrones’ series finale left unanswered

“They told you that?” INSIDER asked.

“Yeah, quote me,” Anderson said with a smile. “What actually happens is Grey Worm dies a horrible death by butterflies.”

Despite this off-screen fate for Grey Worm, Anderson says the show coming to an end has been a positive experience.

“I feel a real sense of closure now, which is good,” Anderson said. “I didn’t know if I was going to get that at all. It’s become such a big part of [my]actual life rather than my work life so I think the idea of it not being there every year again was quite difficult.”

“But actually,” he continued while laughing. “I’m surprisingly just like, ‘Yeah it’s fine. Bye!'”

The MTV Movie and TV Awards air on Monday, June 17, at 9 p.m. ET.

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