Sophie Turner joins Colin Firth in HBO Max series The Staircase

Actress Sophie Turner has joined the upcoming HBO Max series The Staircase. She joins Colin Firth, Toni Collette, Parker Posey, Juliette Binoche, and Rosemarie DeWitt. Antonio Campos will also direct six episodes in the series.

The Staircase is written and executive produced by showrunners Antonio Campos and Maggie Cohn. It is a co-production between HBO Max and Annapurna Television.