The Coming of Arthur

S03E12 (name to change) is the twelfth episode of the third season of Merlin.

Main Cast

 * Colin Morgan as Merlin


 * Angel Coulby as Gwen


 * Bradley James as Arthur


 * Katie McGrath as Morgana


 * Richard Wilson as Gaius


 * Anthony Head as Uther Pendragon

Recurring Cast

 * Emilia Fox as Morgause
 * Eoin Macken as Gwaine


 * Michael Cronin as Geoffrey of Monmouth