Colin Morgan Colin Morgan
plays Merlin
Bradley James Bradley James
plays Arthur Pendragon
Katie McGrath Katie McGrath
plays Morgana
Anthony Head Anthony Head
plays Uther Pendragon
Angel Coulby Angel Coulby
plays Gwen
Richard Wilson (ii) Richard Wilson (ii)
plays Gauis
Santiago Cabrera Santiago Cabrera
plays Lancelot
Eve Myles Eve Myles
plays Mary Collins
Will Mellor Will Mellor
plays Knight Valiant
Michelle Ryan Michelle Ryan
plays Nimueh
John Hurt John Hurt
plays The Dragon
Asa Butterfield Asa Butterfield
plays Mordred

Writers

81 episodes, creator
69 episodes, creator
55 episodes, creator
55 episodes, creator
11 episodes, written by
5 episodes, written by
4 episodes, written by
Richard McBrien
3 episodes, writer

Directors

15 episodes
13 episodes
Justin Molotnikov
8 episodes
David Moore (LI)
8 episodes
5 episodes
3 episodes
3 episodes
Metin Hüseyin
3 episodes
3 episodes
Stuart Orme
2 episodes
Declan O'Dwyer
2 episodes

Producers

53 episodes, executive producer
53 episodes, executive producer
46 episodes, line producer
26 episodes, co-producer
Sara Hamill
17 episodes, producer
Sue de Beauvoir
5 episodes, producer
David Harvey
4 episodes, line producer