Colin Morgan
Merlin
Pemeran
Angel Coulby
Gwen
Bradley James
Arthur Pendragon
Katie McGrath
Morgana
Anthony Stewart Head
Uther Pendragon
Richard Wilson
Gaius
Michelle Ryan
Nimueh
Alexander Vlahos
Mordred
Rupert Young
Sir Leon
Tom Hopper
Percival
John Hurt
Kilgharrah (voice)
Eoin Macken
Sir Gwaine
Tomiwa Edun
Sir Elyan
Santiago Cabrera
Lancelot
Nathaniel Parker
Agravaine de Bois
Jonny Coyne
Asgerd
Sophie Rundle
Sefa
Alexandra Dowling
Kara
