was Derek Wadsworth, who composed new title music.

In 1970, Gray moved from Esher to St Peter Port, Guernsey. Later, after his retirement, he served as resident pianist at the Old Government House Hotel. Gray died of heart disease in hospital on Guernsey on 26 April 1984. Prior to his death, Gerry Anderson hoped that Gray would return to do the musical score for Terrahawks. He had a son,