Adelaide Victoria Kane (born 9 August 1990) is an Australian actress and model. She first gained recognition for her roles as Lolly Allen in the soap opera Neighbours and Tenaya 7 (later Tenaya 15) in the children's series Power Rangers RPM. She went on to star as Mary, Queen of Scots in the American CW period drama Reign. She also appeared as Cora Hale in the third season of the MTV series Teen Wolf and Drizella in the ABC series Once Upon a Time. She now stars in the later seasons of ABC series Grey's Anatomy.