Prophecy and into Dune. Reverend Mother Tula Harkonnen (Olivia Williams): Valya's younger sister. While Tula tends to do her Valya's bidding, the rise of a new threat to the Sisterhood may force ...

House Harkonnen are the iconic villains of the Dune universe ... Olivia Williams, who plays Tula, immediately slipped into the role of the teasing sister and added, "And neither does Emily ...

In episode two of Dune: Prophecy, “Two Wolves,” we see the Sisterhood trying to understand more about the prophecy in the wake of the deaths. The favorite student of Valya’s sister Tula ...

two sisters (Valya and Tula Harkonnen) create the mysterious all-female order called the Bene Gesserit. In Dune Prophecy, the siblings combat forces that threaten the future of humankind.

A Dune prequel is coming to HBO Max and Now TV ... continuing her unforgiving and controversial legacy. Meanwhile, her sister Tula, is ever on hand to offer a more gentle, humane approach to ...

"Dune: Prophecy" focuses on the rise ... Reverend Mother Tula Harkonnen Tula is Valya's empathetic younger sister and also a Reverend Mother. In her youth, she's played by Emma Canning.