Official lineup confirmed for second series of The Celebrity Traitors

It attracted a massive viewership, with the finale hitting a peak of 15.4 million viewers, according to the broadcaster. The series brought in an average audience of 14.9 million people during its run – the biggest TV audience of 2025. The show was also a hit among young viewers. The overnight ratings for first series of The Celebrity Traitors – which measured the number of people watching live or later on the day of broadcast on iPlayer – revealed that more than half of the people aged between 16 and 24 who viewed the show within that time slot watched every episode of The Celebrity Traitors as it was broadcast. A number of comedians will also join the second series of the spin-off show including James Acaster, Joe Lycett and Romesh Ranganathan – as well as Rob Beckett and Joanne McNally. Others joining the lineup include Coronation street star Julie Hesmondhalgh, broadcaster Amol Rajan and actor Sharon Rooney. Broadcaster and mathematician Prof Hannah Fry completes the lineup alongside content creator King Kenny and actor Sebastian Croft. After the success of The Traitors, Winkleman fronted her own Friday night chatshow, The Claudia Winkleman Show. Her debut on 13 March drew in 1.5m viewers, slightly more than the last show of the 33rd series of The Graham Norton Show. Catch-up viewing added another 700,000.

The Traitors show has dominated UK screens since debuting in 2022. There is a two-hour immersive experience , a board game, a card game and the opportunity to buy branded full-length hooded cloaks . The treacherous game is also to be adapted for the stage in what producers said would be a “bold and surprising” theatrical experience to open in London in 2027. The stage production will involve Studio Lambert, the production company behind the TV series, and Neal Street Productions, a company co-founded . Explore more on these topics