You might not know the name, but you certainly know the house: Corrino is still the ruling family during the period of Dune. So the full name of Christopher Walken’s emperor character in Dune 2 is Padishah Emperor Shaddam Corrino IV. But here, 10,000 years before then, Corrino’s Empire is at a very different place.

"Dune: Prophecy," a prequel to the Timothee Chalamet movies, has a big ensemble cast and lots of moving parts. Here's everyone you should know.