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. She is also expected to make a guest return in Series 33 where she meets up with Connie in the Emergency Department.

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