The trailer also shows a glimpse of The Queen’s Gambit star Anya Taylor-Joy, who will be joining the star-studded cast as Atreides’ sister Alia.
Game of Thrones actor Jason Momoa is also seen in the trailer at the centre of the action, during a fight scene, as Hayt, a resurrection of his character Duncan Idaho who died in the first film.
Skyfall star Javier Bardem will also reprise his role as Stilgar, the leader of the Sietch Tabr, a prominent Fremen community on the desert planet Arrakis.
Rebecca Ferguson returns as Atreides’ mother, Lady Jessica, who is seen in conversation with Chalamet in the trailer, while British actress Florence Pugh reprises her role as Princess Irulan.
Another clip shows Robert Pattinson sporting a platinum blond buzzcut and staring menacingly in his role as Scytale, who is a new addition to the films and is described as wanting to dethrone Atreides.
Towards the end of the new trailer, Chalamet’s character climbs to the top of a plinth in front of a crowd, and in a voiceover he says: “I’m not afraid to die. But I must not die, yet.”
The trailer ends with a dramatic clip of Chani running towards an unseen adversary, before fading to black.
In between clips, text on screen reads: “This December, experience the epic conclusion of the Dune trilogy.”