Series 4



Series 4 of Merlin will air in autumn 2011. It began on 1 October 2011 at 7.50 on BBC One. The series was originally cut to ten episodes from the previous series' 13 due to financial issues. However, Johnny Capps revealed on 18 March 2011 that the show has been increased to its original 13 weekly episodes, opening with a two-parter. Filming started in mid-March 2011 in Cardiff, Wales and Pierrefonds, France. This season is said to be darker and more mature than the rest, with the other three having a few violent scenes, and this one having much more. Most characters will show a darker side to their personality. The official tagline for the fourth series is: The Darkest Hour Is Just Before The Dawn. At the SDCC Merlin Panel, it was confirmed that due to the show's increasing popularity, a fifth season has been commissioned by the BBC, and is likely to air the same time next year.

Trailer
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Other Previews

 * Official Poster from Comic-Con: here.
 * Official Bloopers shown at Comic-Com here.
 * Spoilers revealed at Comic-Con here.
 * BBC Official Merlin Series 4 Teaser here.
 * Full T4 Interview showing briefly high quality clips from Merlin Comic con 2011 here.
 * Another trailer here.
 * First preview clip from "The Darkest Hour" here.
 * Another clip from "The Darkest Hour" here.
 * Extended preview scene from "The Darkest Hour" here.

Main Cast

 * 1) Colin Morgan as Merlin/Emrys/Dragoon
 * 2) Bradley James as Arthur Pendragon
 * 3) Angel Coulby as Guinevere
 * 4) Katie McGrath as Morgana Pendragon
 * 5) Anthony Head as Uther Pendragon
 * 6) Richard Wilson as Gaius
 * 7) John Hurt as the voice of Kilgharrah the Great Dragon

Recurring Cast

 * 1) Eoin Macken as Sir Gwaine
 * 2) Santiago Cabrera as Sir Lancelot
 * 3) Tom Hopper as Percival
 * 4) Rupert Young as Sir Leon
 * 5) Adetomiwa Edun as Elyan
 * 6) Emilia Fox as Morgause
 * 7) Michael Cronin as Geoffrey of Monmouth
 * 8) Fintan McKeown as King Odin

Rumoured Cast

 * 1) David Schofield as Alined (highly unlikely)
 * 2) Georgia Moffett as Lady Vivian (highly unlikely)
 * 3) Joseph Mawle as Alvarr (possible)
 * 4) Caroline Faber as Hunith (likely)
 * 5) Harry Melling as Gilli (rather unlikely) - Edit: Please see "talk page"
 * 6) Warwick Davis as Grettir (rather unlikely)
 * 7) Laura Donnelly as Freya
 * 8) Asa Butterfield as Mordred (needs actual source link,not just writer's name as proof)
 * 9) Alice Patten as Ygraine Pendragon
 * 10) Michelle Ryan as Nimueh

New Cast

 * 1) Phil Davis as The Gleeman
 * 2) Nathaniel Parker as Agravaine (appears in all 13 episodes)
 * 3) Charlenne MacKenna as Lamia
 * 4) Hayley Bishop as Caelia
 * 5) James Callis as Borden (an old pupil of Gaius)
 * 6) Gemma Jones as The Cailleach (gatekeeper to the spirit world)
 * 7) Lindsay Duncan as Queen Annis
 * 8) Zee Asha as Audrey
 * 9) Sinora Maria as Queen Laila
 * 10) Steven Hartley as King Carleon
 * 11) Emma Tainton as Servant
 * 12) Andrew Fowler as Knight of Camelot
 * 13) Sarah Beck Mather as Vilia
 * 14) Zig Byfield as Goron
 * 15) Anya Beth-Davies as a girl who is rescued by Percival
 * 16) Terence Maynard as Helios
 * 17) Gary Lewis as sorcerer
 * 18) Miranda Raison as Isolde
 * 19) Ben Daniels as Tristan (not to be confused with Tristan de Bois)
 * 20) Wayne Foskett as John Howden
 * 21) Paul Kynman as Sir Cador
 * 22) Janet Montgomery as a visiting princess to Camelot
 * 23) Katie Moore as Drea
 * 24) Maureen Carr as Dochraid (ghoul who lives in Camelot)
 * 25) Tom Meredith as Eoghan
 * 26) James Greene as Ferryman (official description)
 * 27) Charlie Petryszyn as rescued child by Percival
 * 28) William Rowlands as rescued child by Percival

Episodes
Please put only officially released synopses in the episode description fields. You can find them here, new ones will be released every Thursday from now on until the series ends.