Kit Harington and Alexander Ludwig as Masters of Laws; Jon Snow of House Stark and Targaryen, and Daenor Magnar of Knighthouse.

Orlando Bloom as Master of Ships; Laenar Velayron II.

Helen McCrory as Master of Winter; Lady Meage Mormont.

Kristen Stewart as Master of Harvest; Lady Ilyana Manderly Reed. (works closely with Lady Meage Mormont).

Howland's wife and Meera and Jojen's mother.

Pedro Pascal as Master of War; Prince Oberyn Martell.

Diana Rigg as Master of Coin; Lady Olenna Tyrell.

Donald Sumpter as Grand Maester and Master of Health; Maester Luwin.

Maisie Williams and Mahesh Jadu as Masters of Whispers; Arya Stark and Larence Snow from House Hornwood.

Bob Morley as Master of Spies; Marros Zhax.

Harry Lloyd as Master of Languages; Prince Viserys Targaryen.

Indira Varma as Master of Weaponry; Ellaria Sand.

Poppy Drayton as Lord Admiral of the Royal Fleet; Wynafryd Manderly.

Zoe Saldana as Commander of the Winter Watch; Xana Santagar.

Peter Mooney as Lord of the Winter Calvary; Harrion Ryswell.

Cousin to Heirs/Heiresses: Timos, Lucas and Ashter. Kiyara, Alerah and Liya. Nephew to future-Lord and Lady Roger and Cayra Ryswell. Grandson to current Lord and Lady Rodrik Ryswell and Lady Keila. Nephew
Ryden Ryswell.

Son to Rickard and Sylvina Ryswell; and brother to Stefon, Bryan, Clara, Maycey and Annalys.

Visenya's Queen's Guard:

Pénélope Cruz as Hand of the Queen; Lasa Blackmont Tamo.

Luke Roberts as Commander of the Queen's Guard; Sir Arthur Dayne. Visenya's sword shield.

Ian McElhinney as Sir Barristan Selmy.

Zach McGowan as Salladohor Saan.

Keisha Castle-Hughes as Obara Sand.

Sam Claflin as Torrhen Karstark.

Sophie Cookson as Melahnie Umber.

Dev Patel as Sir Deziel Dalt.