The most recent cast of The Traitors UK (Series 4) concluded their game on January 23, 2026, with Traitors Rachel Duffy and Stephen Libby emerging as the winners and splitting a prize pot of £95,750. In the United States, the Season 4 cast—featuring icons like Lisa Rinna, Natalie Anderson, and Rob Rausch—is currently airing on Peacock, having premiered on January 8, 2026. Across all global franchises, the “cast” typically consists of 22 to 25 contestants who are divided into “Faithfuls” and “Traitors,” with the latter tasked with “murdering” their fellow players while avoiding detection at the nightly Round Table.
The Traitors UK: Series 4 Cast (2026)
The fourth British installment of the hit BBC show featured 22 contestants and introduced a “Secret Traitor” mechanic that kept the Faithfuls guessing until the final moments in January 2026.
The Winning Traitors
Rachel Duffy: A 42-year-old Head of Communications from Newry, Rachel’s calm demeanor allowed her to navigate the entire game without receiving a single vote at the Round Table until the finale.
Stephen Libby: A 32-year-old Cyber Security Consultant from London, Stephen was recruited mid-game and used his analytical skills to frame several Faithfuls, eventually sharing the prize with Rachel.
Notable Faithfuls and Traitors
Hugo Lodge: A 51-year-old Barrister who was an original Traitor but was banished early in Episode 3 after a slip-up during a mission.
Fiona Hughes: The season’s “Secret Traitor,” Fiona was a 62-year-old Local Government Officer who operated independently for several episodes before being banished in Episode 6.
Jack Butler: A 29-year-old Personal Trainer who survived until the very end as a Faithful, only to be banished by Rachel and Stephen in the final fire pit ceremony.
The Traitors UK: Series 3 Winners (2025)
Before the 2026 season took the UK by storm, Series 3 provided one of the most tense finales in reality TV history, airing throughout January 2025.
The Faithful Victory
In a rare outcome for the franchise, the Faithfuls emerged completely victorious in Series 3. Jake Brown, a 28-year-old former CP football player, and Leanne Quigley, a 28-year-old former soldier, successfully banished the final Traitor, Charlotte, to win £94,600.
The Traitors of Series 3
Armani Gouveia: An original Traitor who was banished in Episode 3.
Freddie Fraser: A 20-year-old student who was recruited late in the game but fell at the final hurdle in Episode 11.
Charlotte Berman: A 32-year-old Business Director who almost convinced the group of her innocence before being caught in the finale.
The Traitors Australia: 2026 “Celebrity” Reboot
After a brief hiatus, The Traitors Australia returned in 2026 with a brand new host, Gretel Killeen, and a cast packed with heavy hitters from the Australian reality TV circuit.
Shane Gould: The swimming legend and Survivor Australia winner joined the 2026 cast, bringing her elite competitive mindset to the manor.
Ian ‘Dicko’ Dickson: The former Australian Idol judge transitioned from critiquing singers to critiquing potential Traitors.
Tully Smyth: The Big Brother icon was one of the first announced for the 2026 season, which filmed in New Zealand rather than the traditional Australian location.
Practical Information and Viewing Guide
Where to Watch
UK: All series are available on BBC iPlayer. New episodes typically air Wednesday, Thursday, and Friday nights on BBC One.
US: Available exclusively on Peacock. Season 4 episodes are released weekly on Thursdays.
Australia: Airs on Channel 10 and is available for streaming on 10 Play.
Application Details (2026/2027)
UK Series 5: Applications typically open in August and close in March of the following year.
US Civilian Version: A new all-civilian version for NBC has been announced for late 2026; applications close on March 10, 2026.
FAQs
Who won The Traitors UK 2026?
The winners of Series 4 were Rachel Duffy and Stephen Libby, who played as Traitors and successfully split the prize of £95,750.
Is there a Celebrity Traitors UK cast for 2026?
Yes, a celebrity version was filmed in 2025 and is expected to air in late 2026. Rumored contestants include Hugh Bonneville, Richard E. Grant, and Danny Dyer.
Who is the current host of The Traitors US?
The show is hosted by actor Alan Cumming, who has hosted every season since the American version’s inception in 2023.
How many contestants are in a typical Traitors cast?
Most seasons feature between 22 and 25 contestants, though the number of original Traitors is usually limited to three or four.
Can the Traitors recruit more cast members?
Yes. If the number of Traitors falls below a certain threshold (usually two), they are often given the opportunity to “recruit” or “blackmail” a Faithful into joining them.
Has a Faithful ever won the US version?
Yes, Season 3 of the US version was won by a group of Faithfuls including Dolores Catania, Dylan Efron, Gabby Windey, and Ivar Mountbatten.
What is the “Secret Traitor” twist?
Introduced in the UK Series 4, the Secret Traitor (Fiona Hughes) operated independently of the main Traitor group, unaware of who the other Traitors were for the first half of the season.
Are the Traitors and Faithfuls allowed to talk at night?
No. The cast is strictly separated at night. The Traitors meet in the Traitors’ Conclave, while the Faithfuls are taken to separate individual accommodations.
What is the age requirement for the Traitors cast?
Contestants must be at least 18 years old, though most cast members in the UK and Australia versions are in their 20s to 60s to ensure a diverse range of life experience.
How long does it take to film a season of The Traitors?
The filming for a standard 12-episode series typically takes about three weeks (21 days) of consecutive shooting at the castle location.
Who is the youngest person to ever be a Traitor?
In the UK Series 3, Freddie Fraser was one of the youngest Traitors at age 20. In the US, Ciara Miller was the youngest contestant in Season 3 at age 28.
Is the Traitors cast actually in danger?
No, the “murders” are strictly a theatrical mechanic. Murdered contestants are notified by a letter and are safely driven away from the castle in the middle of the night.
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