Anthony Hopkins as the Shaddam IV, the Padishah Emperor.
The sumpre ruler of the whole of the Known Universe (the Imperium).
A genetic eunuch and the Emperor's closest friend and advisor.
Gary Oldman as Thufir HawatHe is the Master of Assassins to House Atreides in the book and a very close advisor to Duke Leto,
Samuel L. Jackson as Liet-Kynes.
Kynes is the Imperial Planetologist on the planet Arrakis( also known as Dune)
Saoirse Ronan as Princess IrulanIrulan is Shaddam's eldest daughter and heir.
Vanessa Redgrave as the Shadout Mapes.
The head housekeeper of imperial residence on the planet Arrakis also knowen as Dune.
Julianne Moore as Lady Margot Fenring.
The Bene Gesserit (an order of future sort of nuns with genetic memory an other psychic powers) Wife of Count Fenring,