Gerald Hadleigh appears in the episode Written in Blood.
Hadleigh was the chairman of the Midsomer Worthy Writers Circle, which were hosted in his home. Gerald was writing a spy thriller feauring a hero named Phoenix.
Gerald was murdered in his home on the night of July 1st following a Writers Circle meeting. The group had invited the author of the best selling novel Far Away Hills, Max Jennings to be a guest at the meeting.