May Warden (9 May 1891 – 5 October 1978) was an English actress and comedian. Career. Although she acted in other films and TV shows, in Germany and Scandinavia she is best known for her role as Miss Sophie in the 1963 comedy sketch Dinner for One together with Freddie Frinton. She had non-speaking roles in Stanley Kubrick's A Clockwork Orange and as an aged Sara Kingdom in the Doctor Who serial The Daleks' Master Plan. She also made a guest appearance in Dad's Army as Mrs Dowding in "The Bullet Is Not for Firing".
https://en.wikipedia.org/wiki/May_Warden