Mir - Merlin (the greatest magician in history), Milton Bell (Metropolitan Police Forensic Examiner)
Uther Pendragon - King of Camelot, has ruled Camelot for 20 years.
Arthur Pendragon - son of Uther, future King Arthur
Morgana Pendragon - Uther's illegitimate daughter
Gyal—Morgana's maid and future queen
Gaius - Royal Physician
To put it simply, the forensic doctor who traveled through time became Merlin, or he was Merlin from the beginning. And then, in this great Arthurian setting, work on stories that transform lives.