| Peter Dinklage | Tyrion Lannister |
| Nikolaj Coster-Waldau | Jaime Lannister |
| Lena Headey | Cersei Lannister |
| Charles Dance | Tywin Lannister |
| Natalie Dormer | Margaery Tyrell |
| Liam Cunningham | Davos Seaworth |
| Stephen Dillane | Stannis Baratheon |
| Carice van Houten | Melisandre
(as Carice Van Houten) |
| Alfie Allen | Theon Greyjoy |
| Jack Gleeson | Joffrey Baratheon |
| Isaac Hempstead Wright | Bran Stark |
| Sophie Turner | Sansa Stark |
| Gwendoline Christie | Brienne of Tarth |
| Sibel Kekilli | Shae |
| Iwan Rheon | Ramsay Snow |
| Conleth Hill | Lord Varys |
| Jerome Flynn | Bronn |
| Diana Rigg | Olenna Tyrell |
| Pedro Pascal | Oberyn Martell |
| Indira Varma | Ellaria Sand |
| Michael McElhatton | Roose Bolton |
| Julian Glover | Grand Maester Pycelle |
| Noah Taylor | Locke |
| Tara Fitzgerald | Selyse Baratheon |
| Roger Ashton-Griffiths | Mace Tyrell |
| Finn Jones | Loras Tyrell |
| Thomas Brodie-Sangster | Jojen Reed
(as Thomas Brodie Sangster) |
| Ellie Kendrick | Meera Reed |
| Kristian Nairn | Hodor |
| Dean-Charles Chapman | Tommen Baratheon |
| Daniel Portman | Podrick Payne |
| Ian Beattie | Meryn Trant |
| Tony Way | Dontos Hollard |
| Kerry Ingram | Shireen Baratheon |
| Charlotte Hope | Myranda |
| Jazzy De Lisser | Tansy |
| Paul Bentley | High Septon |
| Elizabeth Webster | Walda Bolton |
| James McHale | Axell Florent |
| Pixie Le Knot | Kayla |
| Jon Thor Birgisson | Musician #1
(as Jón Þór Birgisson) |
| Orri P. Dyrason | Musician #2
(as Orri Páll Dýrason) |
| Georg Holm | Musician #3 |
| Raymond Griffiths | King Joffrey Baratheon Dwarf |
| Maxwell Laird | King Stannis Baratheon Dwarf
(as Max Laird) |
| Dean Whatton | King Renly Baratheon Dwarf |
| George Appleby | King Robb Stark Dwarf |
| Krysten Coombs | King Balon Greyjoy Dwarf |
| Neil Baltus | Noble Man
(uncredited) |
| Bryan Cogman | Dragonstone waiter
(uncredited) |
| Paul Herbert | Wedding Guest
(uncredited) |
| Mark Kelvin Ryan | Frey Serving Boy
(uncredited) |
| Stella Lutz | Noble Lady
(uncredited) |
| Keti Pjevic | Lannister Handmaiden
(uncredited) |
| Struan Rodger | Three-Eyed Raven
(voice) (uncredited) |
| Sigur Rós | Wedding Band
(uncredited) |
| C.C. Smiff | Wedding Guest
(uncredited) |
| Claire Wright | Wight Wildling Girl
(archive footage) (uncredited) |
| Kylie Zimmer | Tyrell Cousin
(uncredited) |