| Peter Dinklage | Tyrion Lannister |
| Nikolaj Coster-Waldau | Jaime Lannister |
| Lena Headey | Cersei Lannister |
| Emilia Clarke | Daenerys Targaryen |
| Kit Harington | Jon Snow |
| Aidan Gillen | Petyr 'Littlefinger' Baelish |
| Carice van Houten | Melisandre
(as Carice Van Houten) |
| John Bradley | Samwell Tarly |
| Sophie Turner | Sansa Stark |
| Maisie Williams | Arya Stark |
| Rory McCann | Sandor 'The Hound' Clegane |
| Gwendoline Christie | Brienne of Tarth |
| Jerome Flynn | Bronn |
| Iain Glen | Jorah Mormont |
| Pedro Pascal | Oberyn Martell |
| Michiel Huisman | Daario Naharis |
| Owen Teale | Alliser Thorne |
| Tara Fitzgerald | Selyse Baratheon |
| Kate Dickie | Lysa Arryn |
| Dominic Carter | Janos Slynt |
| Barry McGovern | Dying Man |
| Mark Stanley | Grenn |
| Ben Crompton | Eddison Tollett |
| Josef Altin | Pypar |
| Daniel Portman | Podrick Payne |
| Lino Facioli | Robin Arryn |
| Brenock O'Connor | Olly |
| Andy Beckwith | Rorge |
| Ben Hawkey | Hot Pie |
| Hafþór Júlíus Björnsson | Gregor 'The Mountain' Clegane |
| Brian Fortune | Othell Yarwyck |
| Gerard Jordan | Biter |
| Marko Jelic | Prisoner |
| Frédéric André | Knight
(uncredited) |
| Phelim Kelly | Inn Customer
(uncredited) |
| Michael Stuart | Night's Watch Officer
(uncredited) |