Who directed this musical film produced by Kenneth Harper in which Melvyn Hayes appeared?
Melvyn Hayes: Melvyn Hayes (born Melvyn Hyams, 11 January 1935) is an English actor known for playing the effeminate Gunner (later Bombardier) "Gloria" Beaumont in the 1970s BBC sitcom "It Ain't Half Hot Mum", and the Cliff Richard hit musical films The Young Ones and Summer Holiday
i don't know