In 2015 , Nixon appeared in two films which premiered at the 2015 Sundance Film Festival : '' Stockholm , Pennsylvania '' and '' James White '' . She received critical acclaim for both performances , especially for the latter , which many considered as " Oscar-worthy . " Nixon played the leading role of reclusive American poet Emily Dickinson in the biographical film '' A Quiet Passion '' directed and written by Terence Davies . The film premiered in February 2016 at the 66th Berlin International Film Festival . In May 2016 , it was announced that Nixon would play Nancy Reagan in the upcoming television film adaptation of '' Killing Reagan '' . Filming began in late May and the film aired in October 2016
2015 Sundance Film Festival
2015 Sundance Film Festival
Cynthia Nixon