The unlikely friendship between Merlin, a young man gifted with extraordinary magical powers, and Prince Arthur, heir to the crown of Camelot.
Colin Morgan
Merlin
Angel Coulby
Gwen
Bradley James
Arthur Pendragon
Katie McGrath
Morgana
Richard Wilson
Gaius
John Hurt
Kilgharrah (voice)
Tom Hopper
Percival
Rupert Young
Leon
