Corbett was a Labour Party campaigner, a personal friend of Prime Minister Harold Wilson, and recorded a party political broadcast.
Father of actress Susannah Corbett
He could do a very accurate impression of British prime minister Harold Wilson and used it for the film It's Not the Size That Counts (1974).
He suffered a heart attack in 1979 and was involved in a serious car crash shortly afterwards.
He was awarded the O.B.E. (Officer of the Order of the British Empire) in 1976 for his services to drama. Prime Minister Harold Wilson intended the award to go to him partly because he was a Labour Party supporter but the "H" got missed out of the name and the offer initially went to Sooty and Sweep entertainer Harry Corbett instead.
Served in the Royal Marines during the Second World War.
The middle initial 'H' was just to avoid confusion with the other Harry Corbett (who operated the glove puppet "Sooty"). He said it stood for "Hanyfink" (anything).