TV House of the Dragon heats up with first teaser trailer for Game of Thrones prequel See the first footage of the Game of Thrones prequel series, set 200 years before the events of the Emmy-winning drama. By Nick Romano Nick Romano Nick is an entertainment journalist based in New York, NY. If you like pugs and the occasional blurry photo of an action figure, follow him on Twitter @NickARomano. EW's editorial guidelines Published on October 5, 2021 05:32AM EDT HBO Max woke the dragon. Timed to an international press event for the streaming platform's rollout in Europe, WarnerMedia debuted in the wee hours of Tuesday morning the first teaser trailer for House of the Dragon, the highly anticipated Game of Thrones prequel. Based on George R.R. Martin's book Fire and Blood, published in 2018, House of the Dragon is set 200 years before the events of Game of Thrones. It's the story of the Targaryen dynasty and the civil war that scorched the House's history. Paddy Considine is King Viserys Targaryen, successor of King Jaehaerys Targaryen to sit upon the Iron Throne of Westeros. His first born, Princess Rhaenyra Targaryen (Emma D'Arcy), is a dragonrider, while his younger brother, Prince Daemon Targaryen (Matt Smith), is heir to the throne. "Gods, kings, fire, and blood. Dreams didn't make us kings, dragons did," Daemon says in the teaser. Viserys' Hand of the King is Otto Hightower (Rhys Ifans), who sees Daemon as the greatest threat to the realm. Alicent Hightower (Olivia Cooke), Otto's daughter, was raised in the Red Keep and, as anyone who has read Fire and Blood will know, she had a friendship with Rhaenyra before things turned sour. Milly Alcock and Emily Carey will play young versions of Rhaenyra and Alicent, respectively. Then there's the "Sea Snake," a.k.a. Lord Corlys Velaryon (Steve Toussaint), one of the most famous nautical adventurers in Westeros history. Emma D'Arcy and Matt Smith on 'House of the Dragon'. Ollie Upton/HBO Also featured in the teaser, and confirmed by HBO, are four new cast members. Wil Johnson (Outlander) will play Ser Vaemond Velaryon, the Sea Snake's younger brother and commander in the Velaryon navy. John Macmillan (The Nevers), Savannah Steyn (Intergalactic), and Theo Nate play Ser Laenor Velaryon, Lady Laena Velayron, and Ser Laenor Velaryon, respectively, children of the Sea Snake and Rhaenys Targaryen (The Winx Saga's Eve Best). Rhaenys was passed over for the Iron Throne in favor of Viserys simply for being born a woman. Martin and Ryan Condal (Colony) are the co-creators of House of the Dragon, while Condal serves as showrunner with Game of Thrones favorite Miguel Sapochnik (the director behind episodes like "Hardhome" and "Battle of the Bastards"). HBO Max, which launches in Spain and the Nordics this Oct. 26, also previewed new looks at Sex and the City sequel series And Just Like That..., Succession season 3, and James Gunn's Suicide Squad spin-off Peacemaker. But the House of the Dragon footage closed out the live-streamed event. This article has ben updated with additional casting. Sign up for Entertainment Weekly's free daily newsletter to get breaking TV news, exclusive first looks, recaps, reviews, interviews with your favorite stars, and more. Related content: Everything we know about House of the Dragon, the upcoming Game of Thrones spin-off House of the Dragon unleashes first look at cast for Game of Thrones prequel House of the Dragon cast assemble as production on the Game of Thrones prequel officially begins