Penelope Keith win the 1976 Olivier Award for Best Comedy Performance for the play "Donkeys' Years". She became a household name in the UK playing Margo Leadbetter in the sitcom "The Good Life" (1975–78), winning the 1977 BAFTA TV Award for Best Light Entertainment Performance. In 1978, she won the BAFTA TV Award for Best Actress for "The Norman Conquests". She then starred as Audrey fforbes-Hamilton in the sitcom "To the Manor Born" (1979–81), a show that received audiences of more than 20 million. She went on to star in another six sitcoms, including "Executive Stress" (1986–88), "No Job for a Lady"
Who Wants to Be a Millionaire (U.S. game show) for the U.S. "Millionaire" required that the show's set design, along with all other elements of the show's on-air presentation (musical score, lighting system, host's wardrobe, etc.), adhere faithfully to the way in which they were presented in the British version; this same licensing agreement applied to all other international versions of the show, making Walmsley's "Millionaire" set design the most reproduced scenic design in television history. The original version of the U.S. "Millionaire"<nowiki>'</nowiki>s set cost $200,000 to construct. The U.S. "Millionaire"<nowiki>'</nowiki>s production design is handled by George Allison, whose predecessors have included David Weller and Jim Fenhagen. Unlike older