Game Of Thrones Is Officially Recasting Its Most Iconic Characters In 2026

Jun 27, 2026 - 22:15

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Game Of Thrones Is Officially Recasting Its Most Iconic Characters In 2026

Jason Momoa and Emilia Clarke in season 1 of Game of Thrones

Published Jun 27, 2026, 2:30 PM EDT

El is a Junior TV Features Editor for ScreenRant, with previous experience as The Mary Sue's UK and Weekend Editor. She holds a Bachelor's in International Media and Entertainment Management, as well as an MA and Ph.D. in Creative Writing. There is little she loves more than discussing her favorite TV shows with fellow fans. One day, she hopes to publish an original fantasy novel.

Game of Thrones has recast its iconic characters for one of the franchise's most intriguing upcoming projects. With House of the Dragon's long-awaited third season now airing on HBO, Westeros has made a triumphant return to the small screen. The season 3 premiere depicts the gruesome and pivotal Battle of the Gullet, with both the Greens and the Blacks reaching the point of no return in the Targaryen civil war. House Targaryen is slowly losing its powerful, clawed grip on Westeros, the consequences of which will be felt in the centuries to come.

Elsewhere, across the pond and in a different era of Westeros' history — nearly 150 years later — the Targaryens' reign is almost at an end. The Mad King, Aerys II, is attending an important Tourney at Harrenhal, setting the stage for Robert Baratheon's Rebellion and the near-extinction of House Targaryen. While the Harrenhal Tourney and Robert's year-long war are certainly cinematic enough to warrant a small-screen adaptation, this story isn't being told in a new HBO spinoff.

Instead, George R.R. Martin has teamed up with the Royal Shakespeare Company, writer Duncan Macmillan, and director Dominic Cooke to produce Game of Thrones: The Mad King, a prequel stage play chronicling one of the most important power shifts in the franchise's timeline. The play will have its original run at the Royal Shakespeare Theatre in the English town of Stratford-upon-Avon between Monday, July 20, and September 5, with tickets now available for purchase.

The Mad King, his son, Prince Rhaegar Targaryen, and Robert Baratheon aren't the only important Game of Thrones characters in attendance at Harrenhal. Members of House Stark, House Lannister, and House Martell were present as well, including Eddard, Lyanna, Benjen, Rickard, and Catelyn Stark; a freshly knighted Ser Jaime Lannister, his sister, Cersei, and their father, Tywin, as well as Oberyn Martell, Lord Varys, and Grand Maester Pycelle. Each character has been recast for the play, offering younger interpretations of these iconic figures.

Character	Game of Thrones Cast	The Mad King Cast
Aerys II Targaryen	David Rintoul (season 6)	Michael Shaeffer
Rhaegar Targaryen	Wilf Scolding (season 7)	Noah Ritter
Robert Baratheon	Mark Addy (season 1)	Callum Woodhouse
Eddard Stark	Sean Bean/Robert Aramayo (season 1/seasons 6 and 7)	Michael Abubakar
Lyanna Stark	Aisling Franciosi (seasons 6 and 7)	Harmony Rose-Bremner
Benjen Stark	Joseph Mawle (season 1)	Miles Barrow
Catelyn Stark	Michelle Fairley (seasons 1-3)	Marty Breen
Rickard Stark	Wayne Foskett (season 6)	Alexander Newland
Jaime Lannister	Nikolaj Coster-Waldau (seasons 1-8)	Maxim Ays
Cersei Lannister	Lena Headey (seasons 1-8)	Daisy Franks
Tywin Lannister	Charles Dance (seasons 1-4)	Marcello Walton
Oberyn Martell	Pedro Pascal (season 4)	Edem-Ita Duke
Lord Varys	Conleth Hill (seasons 1-8)	Hughie O'Donnell
Grand Maester Pycelle	Julian Glover (seasons 1-6)	Richard Hansell

Discover the full cast and character list for Game of Thrones: The Mad King on the RSC's website.

Why The Mad King's Story Is Being Produced As A Play

Aerys II on the Iron Throne screaming in rage in Game of Thrones.

The events of the tourney at Harrenhal and Robert's Rebellion (incited by Rhaegar Targaryen's alleged abduction of Lyanna Stark) greatly affect Game of Thrones' first season. Roughly 17 years later, the victorious yet now gluttonous King Robert, his scheming wife, Cersei, and their posse arrive at Winterfell, setting events in motion that lead directly to Ned Stark's execution and a new struggle for power. It's been part of Westeros' lore since A Game of Thrones was first published in 1996, and now, 30 years later, it's finally here.

Some fans will undoubtedly and even understandably be disappointed that The Mad King is being produced as a (for now, at least) regional play. Still, George R.R. Martin made this decision for a reason.

When the production was first announced, Martin took to his Not A Blog forum to celebrate the news and explain more about its background. Martin is a self-proclaimed Shakespeare fan, writing, "It goes without saying that I am a huge Shakespeare fan, and it will likely surprise no one to learn that the history plays are my favorites, and none more so than those set during the Wars of the Roses." The author shared his excitement about the project, explaining that "Having the RSC bring Westeros to the stage is so incredible that sometimes I fear I am dreaming the whole thing."

Clearly, Martin is passionate about this show and is directly involved as a creator, a wildly different situation from his current rocky relationship with HBO's House of the Dragon and its creative team. More and more Hollywood IP and franchises are turning to the stage to expand their storylines, with Harry Potter and the Cursed Child, Stranger Things: The First Shadow, and The Hunger Games all producing massive live stage productions. Of all of these, Game of Thrones is certainly the most Shakespearean, including similar political conspiracies and royal conflicts.

The play's upcoming run at the Royal Shakespeare Theatre doesn't necessarily mean fans won't get to see the story play out on a larger scale in the future, either. The play is being co-produced by Warner Bros. Theatre Ventures on behalf of HBO; perhaps the show will be officially filmed and distributed at a later date, as Netflix has promised to do with its Stranger Things prequel play. The production could also go on the road or open for extended runs in other venues in the future.

Whatever happens next, with Martin's direct involvement, fans can be assured that Game of Thrones' new Mad King prequel will be one to remember.

New episodes of House of the Dragon season 3 premiere weekly on Sundays on HBO and HBO Max.