Patsy Smart (14 August 1918 – 6 February 1996) was an English actress who is best remembered for her performance as Miss Roberts in the 1970s ITV television drama Upstairs, Downstairs. She also appeared in: Danger Man, "Only When I Laugh", Dixon of Dock Green, Z-Cars, The Prisoner, The Avengers, The Sweeney, Doctor Who (The Talons of Weng-Chiang), Blake's 7, Danger UXB, The Chinese Detective, Minder, Rentaghost, Terry and June, Farrington of the F.O., Casualty, Hallelujah!, and The Bill. In her later roles, she was expert at playing dotty ol…