The Staircase., Turner will be featured in the eight-part drama alongside Colin Firth, Toni Collette, Juliette Binoche, Rosemarie DeWitt, and Parker Posey.
The series is based on the docuseries of the same name, which followed the investigation and trial of Michael Peterson (Firth), who was accused of murdering his wife Kathleen (Collette) in 2001.
Though the novelist reported that Kathleen fell down the stairs of their North Carolina home, a medical examiner determined that she was bludgeoned, poking holes in his story.Turner will be taking on the role of one of Peterson’s adopted daughters, Margaret Ratliff, in her return to HBO.