Kay Harker is a fictional character, the young hero of the books
The Midnight Folk and
The Box of Delights by
John Masefield, and the
BBC series based on
The Box of Delights. The series ran in 1984, where the character was played by actor Devin Stanfield. Kay is of an unspecified age, and the book follows his adventures one Christmas Holiday alongside his contemporaries who are staying for the holidays.