English actor Sophie Turner has been roped in to star in the limited series 'The Staircase', which is coming to the company's streaming service, HBO Max. According to The Hollywood Reporter, the plot of 'The Staircase' follows a true story of novelist Michael Peterson, his sprawling North Carolina family, and the suspicious death of his wife, Kathleen Peterson.

The 'Game Of Thrones' star will play Margaret Ratliff, one of Peterson's adopted daughters. The Peterson case was also chronicled in a French documentary titled 'The Staircase' in 2004.