In 2009, Brewster starred as Laura in the horror film The Reeds, which premiered at the After Dark Horrorfest. In 2010, she played supermodel Lydia Kane in the BBC series Material Girl. In 2012, Brewster played Georgina, one of the lead roles in the short film Volume, directed by Mahalia Belo. In 2013, she appeared in the BBC series Silent Witness as Deanna Collier.