Daegal will be a new guest character portrayed by Alfie Stewart in Series 5. He is believed to be a druid boy who comes to Camelot asking Merlin for help. He is set to appear in the episode The Hollow Queen.  According to recent articles Daegal is said to trap Merlin in a cave while Sarrum, Gwen, and Morgana are unleashing an evil plot on Camelot. It is unknown if Daegal will be aiding them.