Few franchises in recent cinema have climbed as high as Dune. Under Denis Villeneuve’s direction and with a cast led by Timothée Chalamet and Zendaya, Frank Herbert’s world has grown from a daunting adaptation into a global phenomenon, with each chapter bigger than the last.

Now, with Dune: Part Three set to close the trilogy, here is everything worth knowing before the story reaches its conclusion.

One of the greatest pull factors of Dune has always been its cast. Timothée Chalamet returns as Paul Atreides, now Emperor, while Zendaya reprises her role as Chani, the Fremen warrior at the heart of his story. Rebecca Ferguson is back as Lady Jessica, Florence Pugh as Princess Irulan, Javier Bardem as Stilgar, and Jason Momoa as Duncan Idaho, with Josh Brolin also listed as Gurney Halleck.

The new faces are just as eye-catching. Robert Pattinson joins the franchise as the antagonist Scytale, a casting that has added fresh intrigue to the final chapter, while Anya Taylor-Joy appears as Paul’s sister, Alia Atreides.

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Isaach De Bankolé also appears as Farok, and with the story set roughly 12 years after the events of Part Two, the ensemble steps into a darker, more dangerous chapter of Arrakis.

When Dune: Part Two left off, Paul Atreides had seized the Imperial throne, married Princess Irulan and unleashed the Fremen on a holy war across the galaxy, while Chani, unwilling to kneel to him, walked away into the desert. Dune: Part Three is set nearly two decades later, with Paul now a ruthless emperor facing the consequences of his reign. 

Paul is haunted by visions of the empire’s collapse and the reappearance of his long-lost love. Chani sits at the center of a sweeping conspiracy. The trailer suggests Robert Pattinson’s Scytale is behind it, having cloned Jason Momoa’s Duncan Idaho, who died in the first film, and brought him back.

Dune: Part Three arrives in theaters on December 18, 2026, bringing Denis Villeneuve’s trilogy to a close just in time for the holiday season. The film will be released in regular and IMAX formats, and tickets are currently on sale. 

While the plot and cast remain as convincing as ever, further amped by Robert Pattinson's antagonist and Timothee Chalamet's Paul finding more answers, the movie is up against very huge guns in the form of Avengers: Doomsday.

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Are you excited for Dune: Part Three? Let us know in the comments.