Dickie began his television and radio career in the 1960s in Southern Africa. After returning to the UK in the early 1970s, he began travelling extensively both at home and abroad, covering the British monarchy, his area of expertise.

In 1988, he joined the Buckingham Palace Press Office, serving as a press spokesman to HM The Queen, with an emphasis on the media relations for The Prince & Princess of Wales. He was also responsible for the media management of all Royal ceremonial occasions, as well as major engagements in the UK for The Queen, inward state visits & state events inside Buckingham Palace and Windsor Castle.

Additionally, Dickie handled all the operational media requirements necessary for Royal funerals, including that of the late Diana Princess of Wales.

Dickie retired from the Royal Household in 2000.