Andrew Scott has discussed the role of Moriarty in Sherlock's third series finale.

In Steven Moffat's 'His Last Vow', a straitjacketed Moriarty appeared to a dying Sherlock (Benedict Cumberbatch) in a padded room within his "mind palace".



"That was a really interesting one," Scott told Digital Spy of the hallucinatory scene. "It was part of an extraordinary sequence that I thought was really beautifully directed, and read fantastically well on the page.

"It was a case of removing myself a little bit from Moriarty, because it was in Sherlock's mind palace. So it allowed me to go to real extremes with the character, to see what he would be like were he completely unleashed.

"I like being able to see Moriarty through Sherlock's eyes, it's such an interesting angle on the character. It's an insight into the mind of the hero, as much as anything, so it was good to be able to play a different note."

Scott went on to discuss the show's acknowledgement of its passionate online fan base, which notably inspired a fantasy sequence in which Sherlock and Moriarty kiss.



"I like the fact that, in a playful way, the third series included [the fans]," Scott mused. "For the most part, they're very enthusiastic and respectful people, and the support has just been extraordinary."

Scott also confirmed that he knows the truth behind series three's climactic twist, in which Moriarty appears to announce his return from the grave via a video message broadcast across every screen in the UK.

"I do know the answer to that question, yes, and I'm not going to tell you!"

Moffat recently assured fans that the ending was not "a last-minute whim".

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Andrew Scott's new film The Stag is out in UK cinemas tomorrow (March 14). Watch a trailer below:

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