• 
  James Hawes

  regizor

• 
  Julian Murphy

  scenarist
• 
  Johnny Capps

  scenarist

• 
  Bradley James

  Arthur
• 
  Colin Morgan

  Merlin
• 
  Angel Coulby

  Gwen
• 
  Katie McGrath

  Morgana
• 
  Richard Wilson

  Gaius

• 
  Rick English

  Black Knight
• 
  Gary Oliver

  Gregory
• 
  Anthony Head

  Uther Pendragon
• 
  Michael Cronin

  Geoffrey din Monmouth
• 
  David Durham

  Tom
• 
  Ed Coleman

  Morris
• 
  Caroline Faber

  Hunith

• 
  John Hurt

  Dragonul
• 
  Michelle Ryan

  Nimueh
• 
  Andy Linden

  Devlin (1 episode, 2008)
• 
  Kyle Redmond-Jones

  Sir Owain (1 episode, 2008)
• 
  Trevor Sellers

  Iseldir (1 episode, 2008)
• 
  Eve Myles

  Lady Helen  (1 episode, 2008)
• 
  Frank Finlay

  Anhora (1 episode, 2008)
• 
  Sean Francis

  Sir Pellimor (1 episode, 2008)
• 
  Julian Rhind-Tutt

  Edwin (1 episode, 2008)
• 
  Clive Russell

  Bayard (1 episode, 2008)
• 
  Jamie Kenna

  Guard 1 (1 episode, 2008)
• 
  Paul Kynman

  Sir Cador (1 episode, 2008)
• 
  Holliday Grainger

  Sophia (1 episode, 2008)
• 
  Jonathan Aris

  Matthew (1 episode, 2008)
• 
  Louise Dylan

  Bronwen (1 episode, 2008)
• 
  Will Mellor

  Knight Valiant (1 episode, 2008)
• 
  Asa Butterfield

  Mordred
• 
  Kenneth Cranham

  Aulfric (1 episode, 2008)
• 
  Joe Dempsie

  William (1 episode, 2008)
• 
  Christopher Fairbank

  Black Knight (1 episode, 2008)
• 
  Santiago Cabrera

  Lancelot (1 episode, 2008)
• 
  Cal Macaninch

  Tauren (1 episode, 2008)
• 
  Alexander Siddig

  Kanen (1 episode, 2008)
• 
  Mark Williams
• 
  Kevin Eldon
• 
  Janet Montgomery

  prințesa Mithian
• 
  Laura Donnelly

  Freya
• 
  Rupert Young

  Sir Leon
• 
  Eoin Macken

  Sir Gwaine

• 
  Geoffrey Wharton

  imagine
• 
  Julian Jones

  creat de
• 
  Jake Michie

  creat de
• 
  Johnny Capps

  creat de
• 
  Fiona Colbeck

  montaj
• 
  Rob Lane

  coloană sonoră