Simon Pegg is set to voice the Balrog in the third season of Amazon’s The Lord of the Rings: The Rings of Power, according to announcements made around the show’s San Diego Comic-Con panel. Multiple outlets report that Pegg will join the cast in a role tied to one of Middle-earth’s most recognizable creatures. Sources describe the Balrog as speaking for the first time in the series, with Pegg providing the character’s voice. The announcements also place the season’s broader narrative within the show’s ongoing adaptation of Tolkien material. Season three is described as focusing on the War of the Elves and Sauron’s continuing efforts related to the One Ring. The outlets collectively frame the casting as part of the series’ Comic-Con reveals, with additional production and story context tied to the season’s planned arrival later in 2026. Overall, the reporting centers on Pegg’s casting as the Balrog and situates it within the season’s emphasis on conflict involving the elves and Sauron’s pursuit of the One Ring.