Dame Penelope Keith, the comedy actor best known for playing Margo Leadbetter in the BBC sitcom The Good Life, has died at the age of 86. Across multiple outlets, she is described as a widely admired performer whose role made her a national figure, particularly in her portrayal of a formidable, status-conscious suburban neighbour. In The Good Life, written by John Esmonde and Bob Larbey, Keith plays Margo Leadbetter, whose presence dominates scenes through both personality and distinctive screen persona. Several sources also note her impact beyond television comedy, citing her acclaimed stage work and other major acting roles. The Guardian highlights her performance as Audrey fforbes-Hamilton in To the Manor Born, which ran in the late 20th century and featured her as a displaced widow forced to give up her estate. BBC News and other reports focus on her reputation as both funny and formidable, with the ability to bring brittle, status-obsessed characters to life. The Guardian additionally discusses her influence on 1970s style in The Good Life, including costume changes that helped define the show’s look.