'Dune: Prophecy' stars Emily Watson & Olivia Williams seem to disagree on whether they have good manners. Watch as the co-stars are put to the test on their etiquette, from how to deal with a friend leaking stories about them to the press (despite Emily not thinking her life is interesting enough to do so), to using a silent stare to get someone off their phone during one of their performances. Find out what could possibly make Olivia slap a friend and how they'd handle the insufferable stench of someone removing their shoes on a plane.br br The new HBO Original Series ‘Dune: Prophecy’ premieres November 17 on Max.