Great Master 2 (Breaker of Chains)

A Great Master is an unnamed minor character in the fourth season. He is a slave-trader from the city of Meereen, on the coast of Slaver's Bay. He is played by guest star Derek Horsham and appears in "Breaker of Chains".

Season 4
He is one of the many Great Masters that gather over the walls of Meereen when Daenerys Targaryen and her army appear before the city gates to lay siege to the city. After the death of Meereenese champion Oznak zo Pahl and Daenerys' words to the slaves present, he looks in fear as a slave picks up one of the hundreds of broken slave collars thrown into the city in catapulted barrels.