Mully

Mully is a minor character in the fourth season. He is a Builder of the Night's Watch. He is played by guest star Andy Moore and only appears in "The Mountain and the Viper".

Season 4
Along with Black Jack Bulwer and Kegs, he travels to the brothel in Mole's Town. They sit drinking and listening to a whore belching out the melodies to popular songs. They are later slaughtered when a group of wildlings led by Tormund and Styr attack the village. News of their deaths soon reaches Castle Black.

In the books
In the A Song of Ice and Fire novels, Mully is a Builder of the Night's Watch. He is old and has an orange beard. He is not killed in a wildling attack on Mole's Town.