The spoiler was accidentally revealed by costume designer Michele Clapton while discussing the clothes worn by the King of the North (Kit Harington).
Game of Thrones returns to HBO on 16 July and will be simulcast at 2am on Sky Atlantic.
While HBO has been busy officially teasing the long-awaited on-screen union of Game of Thrones characters Jon Snow and Daenerys Targaryen, it seems the former will collide with another huge Westeros figure in the forthcoming season.
It’s here where Clapton confirmed that Snow will later share season seven screen-time with someone else altogether.