Stellan Skarsgård is playing Baron Vladimir Harkonnen, the primary antagonist who seizes control of the planet Arrakis, the only source of the valued, mind-altering substance spice, from the Atreides family. Skarsgård is part of an ensemble that includes Timothée Hal Chalamet, Rebecca Ferguson, Oscar Isaac, Josh Brolin, Dave Bautista, Zendaya, Jason Momoa, Javier Bardem and David Dastmalchian, among others.
Article source: https://www.cinemablend.com/news/2481570/denis-villeneuves-dune-wont-feel-like-a-studio-made-film-according-to-stellan-skarsgard