Rebecca Hall played a role.
Rebecca Hall . In 2003 , she won the Ian Charleson Award for her debut stage performance in a production of Mrs. Warren 's Profession . In 2016 , Hall portrayed the troubled news anchor Christine Chubbuck in the critically acclaimed drama Christine . She was also nominated for the Leading Actress Television BAFTA in 2013 for her role as socialite Sylvia Tietjens in BBC Two 's Parade 's End , opposite Benedict Cumberbatch .