As it’s unlikely Gatiss will be appearing as ‘normal’, Blogtor wonders if the pictures included here, from both trailers from Series 6, Part 2 are of the Sherlock writer in action. Judge for yourself. Click on the pics for bigger versions. Mark Gatiss has also written a story for the series, Night Terrors
ETA: The Radio Times has confirmed that Mark Gatiss will star in in the episode now titled, The Wedding of River Song.
ETA (Sep 21): Blogtor can confirm that is IS Gatiss. His character name is Gantok.
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