The Game of Thrones and Eternals star voiced the character in 2014's How to Train Your Dragon 2, and reprised his role in the 2019 sequel, How to Train Your Dragon: The Hidden World. What to Read NextEret, a dragon trapper by trade, isn't the only character to be recast for the upcoming film. Deadline reported that Ólafur Darri Ólafsson is primed to take over the role of Bludvist from Djimon Hounsou, who previously voiced the role. The figure is the long-lost mother of central character Hiccup, and was previously presumed deceased. How to Train Your Dragon 2 is scheduled to be released in 2027.