Official website: https://www.hbo.com/dune-prophecy
Emily Watson
Mother Superior Valya Harkonnen
Olivia Williams
Reverend Mother Tula Harkonnen
Jodhi May
Empress Natalya Arat
Travis Fimmel
Desmond Hart
Mark Strong
Emperor Javicco Corrino
Jade Anouka
Sister Theodosia
Chris Mason
Keiran Atreides
Sarah-Sofie Boussnina
Princess Ynez Corrino
Shalom Brune-Franklin
Mikaela
Faoileann Cunningham
Sister Jen