<Li> Mark Gatiss as Tycho Nestoris </Li> <Ul> <Li> Jim Broadbent as Archmaester Ebrose </Li> </Ul> <Li> Jim Broadbent as Archmaester Ebrose </Li> <Ul> <Li> Jacob Anderson as Grey Worm </Li> <Li> Diana Rigg as Olenna Tyrell </Li> <Li> Gemma Whelan as Yara Greyjoy </Li> <Li> Jessica Henwick as Nymeria Sand </Li> <Li> Rosabell Laurenti Sellers as Tyene Sand </Li> <Li> Keisha Castle - Hughes as Obara Sand </Li> <Li> Brendan Cowell as Harrag </Li> <Li> Staz Nair as Qhono </Li> </Ul>

Season 7 episode 6 cast game of thrones