Game of Thrones: The 'Perfect' Actor for the Winter Wolf Leader in House of the Dragon Season 3 Tommy Flanagan to play brutal Northerner as the War of the Three Kings ramps up Fire & Blood Spoilers Ahead! House of the Dragon season 3 is set to premiere on June 21, 2026, and will introduce a new character from Fire & Blood that fans are going to love. The end of House of the Dragon season 2 may have left viewers wanting more, but it did promise that the action would begin from episode one in season 3. With all the armies of Westeros gathering for war, HOTD season 3 will have some of the biggest battles in the franchise's history if George R.R. Martin's Fire & Blood is to be believed.One of these armies gathering for war is the Winter Wolves, an army of grizzled, elderly Northern men who are determined to die in battle rather than burden their families in the harsh North. We see this army walking through the Twins at the end of HOTD season 2, on their way to fight for the Blacks and Rhaenyra (Emma D'Arcy).Book readers will know that their march South leads to one of the most brutal battles of the Dance of Dragons and is a showcase of why the Northmen are so feared. Leading the Winterwolves is Roderick Dustin of House Dustin, Lord of Barrowtown..