John Walter Lawrence Clegg ( born 9th July 1934) is an Indian-born English actor best known for playing the part of 'Mr. La-di-da' Gunner 'Paderewski' Graham in the BBC sitcom It Ain't Half Hot Mum.
His first television role was DC Greaves in Dixon of Dock Green in 1961. He has most recently been seen in the film Death in Holy Orders in 2003 as the character Father John Betterton.
Clegg married actress Mavis Pugh in 1959. Pugh appeared in various Croft and Perry sitcoms including Dad's Army and You Rang, M'Lord?, as well as It Ain't Half Hot Mum and Are You Being Served?.