Hughie Green presented Opportunity Knocks for over two decades from the mid-fifties.
He was also the long-standing host of game shows Double Your Money and The Sky's The Limit.
Opportunity Knocks and Double Your Money had originally been radio shows.
Hughie Green's father was a fish broker, who had been a major in the Canadian militia.
Hughie Green's first professional performance was in 1931 in a music-hall show at the Garrick Theatre.
After his death in May 1997 from cancer, it was revealed by Hughie Green's friend Noel Botham that Green was the father of Paula Yates, who had been under the impression her father was Jess Yates.