Celebrity Traitors 2026, a reality competition show where celebrities are divided into two teams—Faithfuls and Traitors—has revealed its new lineup of contestants. The show, hosted by Claudia Winkleman, will be filmed at a Scottish castle and promises a mix of strategy, betrayal, and entertainment. Contestants will compete for a prize of up to £100,000, which they can donate to a charity of their choice. The format typically involves challenges, alliances, and twists that test participants' loyalty and cunning. The cast includes a wide range of celebrities from different fields. Michael Sheen, a renowned actor known for his roles in films like Frost/Nixon and Midnight In Paris, joins alongside Maya Jama, the host of Love Island, and Ross Kemp, a former actor and documentary filmmaker. Julie Hesmondhalgh, a beloved figure from Coronation Street, is also participating, marking her return to the screen after a dramatic exit from the show in 2014. Comedians Rob Beckett and Romesh Ranganathan will be competing together, bringing their unique styles to the game. Jerry Hall, a former supermodel and actress, adds a touch of glamour, while Joe Lycett, known for his absurdist humor and advocacy for consumer rights, and James Blunt, the singer behind the hit "You're Beautiful," bring diverse talents to the mix. Bella Ramsey, who played Lyanna Mormont in Game of Thrones, and Richard E. Grant, a veteran actor with roles in Withnail and I and Star Wars, are also confirmed. Other notable contestants include Leigh-Anne Pinnock of Little Mix, James Acaster, who has voiced concerns about past winners' influence on the current competition, and Miranda Hart, known for her sitcom Miranda. The lineup also features Joanne McNally, an Irish comedian; Sharon Rooney, famous for My Mad Fat Diary; and King Kenny, a social media influencer. Professor Hannah Fry, a mathematician and broadcaster, and Sebastian Croft, who appeared in Game of Thrones, round out the cast, which also includes Myha’la Herrold, an American actress from Industry.