The 46-year-old actor, who plays Jaime Lannister in the HBO series, has said the suspicion may or may not be correct that Cersei's younger brother will be her murderer, reported Harper's Bazaar.
"I heard that theory, and it absolutely makes sense. It would be a perfect little nod. But who knows?
"You'll have to watch the show (laughs). It's a good theory. I always thought maybe it's too neat, but who knows?" Nikolaj said.
The seventh season of "GOT" airs July 16.
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