Leonard Rossiter Reynolds", an episode of the 1977 Yorkshire Television series "The Galton & Simpson Playhouse", as well as the short films "The Waterloo Bridge Handicap" (1978), and the Galton and Simpson-scripted "Le Pétomane" (1979). After his portrayal of Reginald Perrin, Rossiter's non-comedy roles on television became less frequent, although there were exceptions such as a debt collector in the one-off HTV thriller "Machinegunner" (1976), and Frank Harris in "Fearless Frank, or Tit-bits from the Life of an Adventurer" (1978), a BBC "Play of the Week". From 1978–83, Rossiter performed in ten commercials for Cinzano. The iconic series of adverts was created
Leonard Rossiter demobbed he worked for six years as an insurance clerk in the claims and accident departments of the Commercial Union Insurance Company. From childhood he was an apparently unlikely but in fact enthusiastic and capable sportsman in football, cricket, tennis and later squash. Rossiter joined the Wavertree Community Centre Drama Group and made his first appearance with the Adastra Players in Terence Rattigan's "Flare Path". The local critic said that he "was particularly outstanding, his one fault being a tendency to speak too fast on one or two occasions". He gave up his insurance job to enrol in Preston repertory