In Game of Thrones, she plays the role of Lysa Arryn. She was announced in the role on 16 July 2010. She appeared in several episodes of the first season. It was reported that she filmed a scene for the final episode of Season 3, but this scene was cut from the final episode. Her agent later confirmed that she would return for the fourth season. She reprised the role for two episodes of the fourth season, before her character's demise.