[2] In 2007, she portrayed the starring role of Kate Sherman in the E4 miniseries Nearly Famous, and appeared as "Anna Buckingham", a composite daughter of the ill-fated Edward Stafford, 3rd Duke of Buckingham in the television series The Tudors.
In 2009, Brewster starred as Laura in the horror film The Reeds, which premiered at the After Dark Horrorfest.
[2][4] In 2012, Brewster played Georgina, one of the lead roles in the short film Volume, directed by Mahalia Belo.
[5][6][7] In December 2015, Brewster appeared as Bazine Netal, a First Order spy in Star Wars: The Force Awakens.
[10][11][12] In 2020, Brewster starred as Shelby Dupree in the action thriller film The Last Days of American Crime.