Sharon Gless

Sharon Marguerite Gless (born May 31 1943) is an American actress, best known for her roles as Maggie Philbin on Switch and Sgt. Christine Cagney in the drama series Cagney & Lacey. It was revealed, in July 2017, that she would join Casualty as a guest, playing surgeon Zsa Zsa Harper-Jenkinson, a former mentor of series regular Dylan Keogh.