Guest Stars Nathalie Emmanuel as Missandei Daniel Portman as Podrick Payne Jacob Anderson as Grey Worm Ben Crompton as Eddison Tollett Julian Glover as Grand Maester Pycelle Hannah Murray as Gilly Dean Charles Chapman as Tommen Baratheon Mark Stanley as Grenn Michiel Huisman as Daario Naharis Owen Teale as Alliser Thorne Diana Rigg as Lady Olenna Tyrell Ian Beattie as Ser Meryn Trant Brenock O'Connor as Olly Indira Varma as Ellaria Sand Josef Altin as Pypar Dominic Carter as Lord Janos Slynt Brian Fortune as First Builder Othell Yarwyck Peter Vaughan as Maester Aemon Kerry Ingram as Shireen Baratheon Joel Fry as Hizdahr zo Loraq Pedro Pascal as Prince Oberyn Martell Will Tudor as Olyvar Tony Way as Dontos Hollard Paul Bentley as The High Septon Jem Wall as Guymon Raewyn Lippert as Guymon's Mother Co Starring Josephine Gillan as Marei Joseph Gatt as Thenn Warg Lu Corfield as Mole's Town Madam Emilio Doorgasingh as Slave Master Patrick Molloy as Night's Watchman Lois Winstone as Mole's Town Whore Joshua Sher as Slave Derek Horsham as Slave Master Trixiebelle Harrowell as Sally Finbar Lynch as Farmer