He is best known for playing the effeminate Gunner (later Bombardier) "Gloria" Beaumont in the 1970s BBC sitcom It Ain't Half Hot Mum, for appearing in the Cliff Richard musical films The Young Ones, Summer Holiday and Wonderful Life as well as Here Come the Double Deckers (1970–1971).
Born in Wandsworth, South London,[1] Hayes attended Sir Walter St John's Grammar School For Boys, Battersea.
He returned to the Comedy Theatre in 1952, playing Tommie, opposite Florence Desmond, Anthony Ireland and Geoffrey Kerr, in The Apples of Eve.
He played Edek in The Silver Sword (by Ian Serraillier) in 1957, a children's television serial about Polish refugees trying to find their father after World War II.
Carry On England, Love Thy Neighbour, The Thin Blue Line, Here Come the Double Deckers, Potter's Picture Palace (1976 & 1978),[3] the final series of Drop the Dead Donkey and Not Going Out (2023).