Celebrity Traitors 2026 Contestant Odds: Bob Mortimer Favourite To Join Cast

With The Traitors Series 4 now over, attention turns to the celebrity edition. Bob Mortimer is favourite to appear, with Amelia Dimoldenberg and Louis Theroux not far behind in the odds.
Celebrity Traitors 2026 Contestant Odds: Bob Mortimer Favourite To Join Cast
Jake Ashton
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  • Bob Mortimer is the 2/1 favourite to appear on Celebrity Traitors 2026
  • Amelia Dimoldenberg and Louis Theroux are joint second favourites at 3/1
  • Filming is expected to begin in Scotland this spring with the cast yet to be confirmed

Celebrity Traitors 2026: Who's Rumoured To Appear?

With Series 4 of The Traitors wrapped up and Rachel and Stephen crowned as victorious Traitors, speculation is heating up around the next celebrity edition of the smash-hit BBC show.

The celebrity spin-off is expected to film in April or May 2026 at the now-iconic castle in the Scottish Highlands. 

And while no official cast announcements have been made, the bookmakers are already giving us clues, with a full market from Ladbrokes on who will appear as a contestant.

Celebrity Traitors 2026 – To Appear as a Contestant (via Ladbrokes)

Celebrity Traitors 2026 Contestant
OddsImplied Probability
Bob Mortimer2/133.3%
Amelia Dimoldenberg3/125.0%
Louis Theroux3/125.0%
Steve Pemberton4/120.0%
Danny Dyer5/116.7%
Joe Lycett5/116.7%
Alison Hammond6/114.3%
Amanda Holden6/114.3%
Davina McCall6/114.3%
Greg James6/114.3%
Lily Allen6/114.3%
Olly Alexander6/114.3%
Pete Wicks6/114.3%
Rylan Clark6/114.3%
Sandi Toksvig6/114.3%
Victoria Coren Mitchell6/114.3%
Brooklyn Beckham7/112.5%

Leading Contenders To Join The Castle

🎤 Bob Mortimer (2/1 Favourite)

The veteran comedian and Would I Lie To You? star has emerged as the clear favourite to join the line-up. Mortimer’s dry wit, cult following, and experience in panel shows make him a perfect fit for The Traitors' mix of mind games and deception.

🍗 Amelia Dimoldenberg (3/1)

The Chicken Shop Date creator and host has been a rising name in British media, and her unique sense of humour would be a natural fit in the castle. As a favourite in past Strictly markets too, Amelia is no stranger to celebrity casting rumours.

🎥 Louis Theroux (3/1)

The legendary documentary maker’s name is always in the mix for reality formats, and while it may seem far-fetched, the betting markets suggest something might be brewing. If Theroux joins, expect intense strategy and dry narration.

What the expert says...
Mortimer feels like a casting dream. He’s loved by the public, unpredictable, and someone viewers would trus which makes him ideal Traitor material.

Jake Ashton - Entertainment Betting Expert - OLBG.com

What Happens Next?

With filming expected to take place this spring, casting announcements could drop in the coming weeks, especially as the BBC looks to maintain the buzz from the Series 4 finale.

The show’s producers will no doubt be aiming to replicate the success of the first Celebrity Traitors which was a smash hit.

Alan Carr was one the best Traitors there has been in terms of entertainment and somehow was crowned winner.

Until then, the odds market is your best clue to who’s in talks and with the show’s secrecy, don’t be surprised if one or two long shots make it into the final cast.

Where To Bet on Celebrity Traitors Odds

Markets like this one can be found at selected UK betting sites. 

If you're backing a hunch on who'll enter the castle, check out the best entertainment betting sites or explore free bets to take advantage of new offers.

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