Movie News · Trailers Dune: Part Three — Jason Momoa's Hayt Character Explained Jason Momoa returns in Denis Villeneuve's Dune: Part Three as Hayt, a resurrected assassin version of Duncan Idaho created by the Bene Tleilax. The character plays a central role in the adaptation of Frank Herbert's Dune Messiah, which hits theaters on December 18, 2026. March 18, 2026 · 5 min read