‘Game of Thrones’ Feature Film in Early Development at Warner Bros.

A feature-length film set in the world of Game of Thrones is in early development at Warner Bros., with Beau Willimon attached to write the screenplay. Willimon, best known as the creator and showrunner of House of Cards and a writer on Andor, has reportedly completed and submitted a draft. No director has been announced, and casting has not begun.

While Warner Bros. has not officially detailed the plot, early industry reporting suggests the project may center on Aegon I Targaryen and his conquest of Westeros. Known in the lore as Aegon the Conqueror, the character united the Seven Kingdoms centuries before the events of the original HBO series. His story includes the forging of the Iron Throne and the establishment of the Targaryen dynasty, which would later produce figures such as Daenerys Targaryen. Although Aegon I has never appeared onscreen, his legacy underpins much of the political and historical framework of the franchise.

The potential film would mark a significant expansion of the property beyond television. Game of Thrones, based on the novels by George R. R. Martin, aired from 2011 to 2019 and became one of the most commercially and critically successful series in HBO’s history. At its peak, the show drew more than 19 million viewers per episode across platforms and earned dozens of Emmy Awards, including multiple wins for Outstanding Drama Series. Despite controversy surrounding its final season, the franchise has remained a cornerstone asset for Warner Bros. Discovery.

HBO has since expanded the universe through prequels. House of the Dragon, which chronicles the Targaryen civil war known as the Dance of the Dragons, debuted in 2022 and quickly became one of the network’s most-watched premieres. Another spinoff, A Knight of the Seven Kingdoms, adapts Martin’s Dunk and Egg novellas and explores an earlier era of Westerosi history. Both series reinforce the studio’s strategy of mining Martin’s extensive lore for serialized storytelling.

While HBO projects have traditionally been designed for episodic arcs, a feature film would require condensing political intrigue, large-scale battles, and dragon warfare into a cinematic format. The Aegon I storyline, if confirmed, offers material suited to spectacle, including the use of dragons in conquest and the consolidation of power across rival kingdoms.

The project’s future, however, may depend on corporate developments. Warner Bros. is in the process of being acquired by Paramount Skydance, pending regulatory approval. If the merger proceeds, leadership changes could impact projects currently in development. At the same time, incoming executives have indicated a desire to strengthen theatrical output, with Paramount Skydance CEO David Ellison publicly committing to a robust slate of major film releases annually. A globally recognized property such as Game of Thrones would likely be considered a valuable theatrical asset under that strategy.

As of now, the film remains in development without a production start date. The submission of Willimon’s script suggests the project has moved beyond concept discussions, but greenlighting will require approval at multiple levels, particularly given the budgetary demands associated with the franchise’s visual scale.