Many have been with the show for years playing various soldiers, tradesmen, and Westrosi residents.
Some even have tattoos commemorating their roles.
They work so hard with these insane hours.

HBO
You think back on how many of our scenes where the extras play such a major part."
Many celebrities, particularly from bands enjoyed by the producers, have beenGame of Thronesbackground performers.
Snow Patrol’s Gary Lightbody was a soldier in season 3.

Icelandic band Of Monsters and Men were a Braavosi band in season 6.
Metal band Mastodon appeared as wights in season 5’s “Hardhome.”
And Coldplay drummer Will Champion was a drummer at The Red Wedding in season 3.

Yet oftentimes celebrities are surprised how tough the demands of a seemingly easy walk-on role really is.