Series 1



Series 1 of Merlin ran between 20 September 2008 and 13 December 2008. The series introduced the protagonist Merlin as well as his master and friend Arthur Pendragon. The main villian of the series is Nimueh, a powerful sorceress exiled by Uther when Arthur was born. The arch focuses around Merlin's destiny and Arthur's, and those who wish to prevent it. It also focused on the question of life and death. The series chiefly involves Merlin coming to turns with his powers and using them to protect Arthur as well as other characters. It consisted of 13 episodes with a running time of 45 minutes.

The show has been renewed for a second series.

Episodes

 * The Dragon's Call
 * Valiant
 * The Mark of Nimueh
 * The Poisoned Chalice
 * Lancelot
 * A Remedy to Cure All Ills
 * The Gates of Avalon
 * The Beginning of the End
 * Children in Need Special
 * Excalibur
 * The Moment of Truth
 * The Labyrinth of Gedref
 * To Kill the King
 * Le Morte d'Arthur

Main cast

 * Colin Morgan as Merlin
 * Bradley James as Prince Arthur
 * Richard Wilson as Gaius
 * Anthony Head as Uther Pendragon
 * Angel Coulby as Gwen
 * Katie McGrath as Morgana
 * John Hurt as The Great Dragon

Recurring cast

 * Michelle Ryan as Nimueh (4 episodes; The Mark of Nimueh, The Poisoned Chalice, Excalibur and Le Morte d'Arthur)
 * Michael Cronin as Geoffrey of Monmouth (3 episodes; Lancelot, A Remedy to Cure All Ills, and Excalibur)
 * Caroline Faber as Hunith (3 episodes; The Dragon's Call, The Moment of Truth and Le Morte d'Arthur)
 * David Durham as Tom (2 episodes; The Mark of Nimueh and To Kill the King)

Guest stars

 * Eve Myles as Mary Collins/Lady Helen (The Dragon's Call)
 * Will Mellor as Knight Valiant (Valiant)
 * Clive Russell as Bayard (The Poisoned Chalice)
 * Santiago Cabrera as Lancelot (Lancelot)
 * Julian Rhind-Tutt as Edwin (A Remedy to Cure All Ills)
 * Kenneth Cranham as Aulfric (The Gates of Avalon)
 * Holliday Grainger as Sophia (The Gates of Avalon)
 * Asa Butterfield as Mordred (The Beginning of the End)
 * Kyle Redmond-Jones as Sir Owain (Excalibur)
 * Sean Francis as Sir Pellinore (Excalibur)
 * Rick English/Christopher Fairbank as Tristan De Bois (Excalibur)
 * Alexander Siddig as Kanan (The Moment of Truth)
 * Joe Dempsie as William (The Moment of Truth)
 * Frank Finlay as Anhora (The Labyrinth of Gedref)
 * Cal MacAninch as Tauren (To Kill the King)

Cast Notes
Michelle Ryan who played Nimueh featured in four episodes who was originally supposed to only appear in three episodes but was asked to do more because the producers were so impressed with her performance.

Enemies and creatures

 * The Great Dragon
 * Mary Collins
 * Knight Valiant
 * Afanc
 * Cockatrice
 * Giant spiders
 * Griffin
 * Edwin Muirden
 * Aulfric of Tír-Mòr
 * Sophia of Tír-Mòr
 * Sidhe
 * Mordred
 * Tristan De Bois
 * Wraith
 * Kanen
 * Anhora
 * Unicorn
 * Tauren
 * Questing Beast
 * Nimueh