Dame Penelope Anne Constance Keith, is an English actress and presenter, active in film, radio, stage and television and primarily known for her roles in the British sitcoms The Good Life and To the Manor Born. She succeeded Lord Olivier as president of the Actors' Benevolent Fund after his death in 1989, and was appointed Dame Commander of the Order of the British Empire (DBE) in the 2014 New Year Honours for services to the arts and to charity.

The Good Life is a British sitcom, produced by BBC television. It ran from 4 April 1975 to 10 June 1978 on BBC 1 and was written by Bob Larbey and John Esmonde. Opening with the midlife crisis of Tom Good, a 40-year-old plastics designer, it relates the joys and setbacks he and his wife Barbara experience when they attempt to escape a modern "rat race" lifestyle by "becoming totally self-sufficient" in their suburban house in Surbiton. In 2004, it came 9th in Britain's Best Sitcom. The lead roles are taken by Richard Briers and Felicity Kendal.