The High-Handed Enemy S01 E06

Emily Watson (as Mother Superior Valya Harkonnen) Olivia Williams (as Reverend Mother Tula Harkonnen) Travis Fimmel (as Desmond Hart) Jodhi May (as Empress Natalya Arat Corrino) Sarah-Sofie Boussnina (as Princess Ynez Corrino) Chloe Lea (as Sister Lila) Chris Mason (as Keiran Atreides) Shalom Brune-Franklin (as Mikaela) Mark Strong (as Emperor Javicco Corrino) Jade Anouka (as Sister Theodosia) Josh Heuston (as Constantine Corrino) Faoileann Cunningham (as Sister Jen)