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British actor famous for his sitcom roles such as Ralph Dring in Dear John, Michael in Agony and Dennis Dunstable in Please Sir and its spin-off The Fenn Street Gang. He also starred in the 1975 glam rock film Never Too Young to Rock. Peter John Denyer (20 August 1947 in Dartford – 18 September 2009 in Cheltenham) was an English actor who was perhaps best remembered for playing Dennis Dunstable in London Weekend Television's Please Sir!, and its spin-off series The Fenn Street Gang, taking on the role of a teenager when already into his 20s. He also appeared in the film versions of Please Sir! (1971) and Never Mind the Quality, Feel the Width (1973), and the glam rock film Never Too Young to Rock (1975). Another semi-regular role, again for LWT, was as one half of a gay couple in Agony. He also appeared in Dixon of Dock Green, Moody and Pegg, Dear John and the TV soap opera Emmerdale Farm. Later in his career he moved into producing, directing and writing pantomime. Denyer, who was unmarried, died in September 2009 in Cheltenham, aged 62. From Wikipedia, the free encyclopedia