Donnel Waynwood

Donnel Waynwood is a character that will debut in the fourth season. He will be played by Alisdair Simpson. Ser Donnel Waynwood is a knight of House Waynwood and serves House Arryn as the Knight of the Gate, commander of the Bloody Gate.

In the books
In the A Song of Ice and Fire novels, Ser Donnel Waynwood serves at the Bloody Gate and leads the sortie that saves Catelyn Stark and her retinue from the Mountain clans at the Mountains of the Moon. He later replaces Ser Brynden Tully as the Knight of the Gate.