This mysterious new role will mark Williams' return to TV after wrapping as Marnie Michaels on HBO's Girls in the April 2017 series finale. She also starred as the evil Rose Armitage in 2017's Academy Award–winning movie Get Out.

HBO, Universal Pictures Williams will guest star opposite Benedict Cumberbatch in Showtime’s limited series Patrick Melrose later this year, and will then appear in the lead role of Richard Shepard's film, The Perfection.