Janos Slynt

Janos Slynt is a character in Game of Thrones. He is played by Dominic Carter and will debut in the first season.

Janos Slynt is the commander of the King's Landing City Watch (the 'goldcloaks'), with almost two thousand men under his command. He is charged with keeping peace and order in the city and quelling unrest.

In the books
In the Song of Ice and Fire novels Janos Slynt was a commoner who joined the Watch and raised through the ranks to become its commander, as it is one of the few institutions in Westeros to permit promotion of non-nobles from the ranks. He is somewhat humourless man who is arrogant and proud of his achievements.