Guest Stars Ben Crompton as Eddison Tollett Anton Lesser as Qyburn Brenock O'Connor as Olly Faye Marsay as The Waif Ian Whyte as Wun Weg Wun Dar Wun Hannah Waddingham as Septa Unella Richard Brake as The Night King Enzo Cilenti as Yezzan zo Qaggaz Ross O'Hennessy as Rattleshirt Sarine Sofair as Lhara Murray McArthur as Dim Dalba Karla Lyons as Willa Ali Lyons as Johnna Birgitte Hjort Sørensen as Karsi Will O'Connell as Night's Watchman Morgan C. Jones as Braavoshi Captain Tim Loane as White Walker Zachary Baharov as Loboda