Musician 4 (The Door)

A musician is a background character in the sixth season. He is played by Brynjar Leifsson and debuts in "The Door".

Season 6
Along with the other four musicians, he plays background music at the public production of The Bloody Hand.

Behind the scenes
Leifsson is the guitarist of the Icelandic band Of Monsters and Men, all of whom appear as musicians in the sixth season.