Hughes preferred to keep their romance private and never mentioned it to the press.
A stroke survivor, De Carlo died of heart failure in 2007.
Thriller: Doris Day with James Stewart in Alfred Hitchcock's 1956 film The Man Who Knew Too Much She started touring with Les Brown again, which meant leaving baby Terry with her mother.
She performed very well in it and got good attention from the audience at the global level.
But still Doris refused to leave him.
De Carlo continued to appear in films such as 1970 and had a notable part in 's 1971.