EXCLUSIVE: Ali Ahn (Raising Dion) and Maria Dizzia (The Staircase) have been added to the cast of Agatha: Coven of Chaos, Marvel’s upcoming WandaVision spinoff series for Disney+. They join lead Kathryn Hahn, who is reprising her role as WandaVision bad gal Agatha, male lead Joe Locke as well as Aubrey Plaza, who is believed to be playing a villainous role. Details