Sarah Paulson is starring as the titular Nurse Mildred Ratched, and she'll be joined at the hospital by Jon Jon Briones as Dr. Hanover, who is the man behind the controversial treatments; Charlie Carver as a hospital staff member named Huck; Alice Englert as a hospital staff member named Dolly; Judy Davis as Nurse Bucket; and Finn Wittrock as a mass murderer named Edmund Tolleson. Others include Sharon Stone as heiress Lenore Osgood; Corey Stoll as private investigator Charles Wainwright; Amanda Plummer as motel manager Louise; Vincent D'Onofrio as Governor George Wilburn; and Cynthia Nixon as the governor's campaign manager Gwendolyn Briggs.