Norman Beaton in London's West End. In 1970 he played the role of Ariel in Shakespeare's "The Tempest", which he described in his autobiography as "the most important role of my acting career", and also played a small role in the Frankie Howerd comedy film "Up the Chastity Belt" the following year. In 1975, he helped to establish the Black Theatre of Brixton. In 1975 Beaton played Nanki-Poo in "The Black Mikado", a modern version of Gilbert and Sullivan's "The Mikado". In 1976, Beaton broke into television in the series "The Fosters", which also featured a young Lenny Henry, and the following
British sitcom world's longest running sitcom. The commercial station ITV had popular successes with "Rising Damp" (1974–78, sometimes called the best of all ITV sitcoms), "Man About the House" (1973–76) and "George and Mildred" (1976–79). "Rising Damp"'s star, Leonard Rossiter, also played the lead role in the BBC's highly popular "The Fall and Rise of Reginald Perrin" (1976–79). The decline in cinema attendance in this period meant that many of these series were turned into cinema films; the first film version of "On the Buses" (1969–73) was the biggest hit at the British box office in 1971. According to Jeff Evans, "On