Joss (A Golden Crown)

A Riverlands refugee is an unnamed minor character in Game of Thrones. He is played by guest star Niall Cusack and only appears in the sixth episode of the first season.

Season 1
He attends court in King's Landing to report a series of brutal raids being carried out by Gregor Clegane in the Riverlands. He wears the sigil of House Tully on his sleeve. He brings a sack of dead fish that had been left by Clegane at the scene of his atrocities. Eddard Stark responds by stripping Clegane of his titles and ordering his arrest.

In the books
In the Song of Ice and Fire novels, his role is fulfilled by a trio of knights from the (Karyl Vance, Marq Piper and Raymun Darry).