Guest Stars Jacob Anderson as Grey Worm Ben Crompton as Eddison Tollett Julian Glover as Grand Maester Pycelle Hafþór Júlíus Björnsson as Ser Gregor Clegane Anton Lesser as Qyburn Owen Teale as Alliser Thorne Diana Rigg as Lady Olenna Tyrell Brenock O'Connor as Olly Natalia Tena as Osha Art Parkinson as Rickon Stark Roger Ashton-Griffiths as Lord Mace Tyrell Brian Fortune as First Builder Othell Yarwyck Faye Marsay as The Waif Staz Nair as Qhono Ian Gelder as Ser Kevan Lannister Michael Condron as Bowen Marsh Robert Aramayo as Young Eddard 'Ned' Stark Kae Alexander as Leaf Meena Rayann as Meereenese Prostitute Max Von Sydow as Three-Eyed Raven Joseph Naufahu as Khal Moro Diogo Sales as Moro's Bloodrider Paul Rattray as Lord Harald Karstark Junade Khan as Moro's Bloodrider Hannah John-Kamen as Dothraki widow Dean S. Jagger as Smalljon Umber Nathanael Saleh as Arthur Annette Hannah as Frances Souad Faress as High Priestess of the Dosh Khaleen Fionn Kernan as Little Bird Lucy Gallagher as Little Bird Iona Clarke as Little Bird Jesse Magee as Little Bird Michael Nevin as Little Bird Wuese Houston-Jibo as Dothraki Widow Angelique Fernandez as Dothraki Widow Luke Roberts as Ser Arthur Dayne Eddie Eyre as Oswell Whent