Leonard Rossiter was an English actor. He had a long career in the theatre but achieved his highest profile for his television comedy roles starring as Rupert Rigsby in the ITV series Rising Damp from 1974 to 1978, and Reginald Perrin in the BBC's The Fall and Rise of Reginald Perrin from 1976 to 1979.

Rising Damp is a British sitcom, written by Eric Chappell and produced by Yorkshire Television for ITV, which was originally broadcast from 2 September 1974 until 9 May 1978. Chappell adapted the story from his 1973 stage play The Banana Box. The programme ran for four series and a spin-off feature film of the same name was released in 1980. The series won the 1978 BAFTA for Best Situation Comedy. Rising Damp was the highest-ranking ITV sitcom in the BBC's 100 Best Sitcoms poll of 2004, coming in 27th overall.