Parker Posey is set to star alongside Colin Firth, Toni Collette, Juliette Binoche and Rosemarie DeWitt in The Staircase, HBO Max’s drama limited series adaptation based on the true-crime docuseries.The eight-episode series from Christine director Antonio Campos and American Crime Story writer Maggie Cohn, explores the life of Michael Peterson (Firth), his sprawling North Carolina family and the suspicious death of his wife, Kathleen (Collette).Posey will play Freda Black, assistant district attorney and prosecutor in the Peterson case.The series is based on the docuseries and various books and reports on the case of Michael Peterson, who was convicted in 2003 of murdering Kathleen two years earlier.
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