The Celebrity Traitors cast for the 2025 BBC series includes 19 celebrities competing in a game of investigation, betrayal, and trust. Among them, Alan Carr, Cat Burns, and Jonathan Ross are designated as Traitors, while the rest are Faithful participants. The complete list is:

• Alan Carr (Comedian & television presenter) - Traitor
• Cat Burns (Singer-songwriter) - Traitor
• Jonathan Ross (Television presenter) - Traitor
• Paloma Faith (Singer-songwriter & actress) - Faithful
• Celia Imrie (Actress) - Faithful
• Charlotte Church (Singer & television presenter) - Faithful
• Clare Balding (Television presenter & journalist) - Faithful
• David Olusoga (Historian & filmmaker) - Faithful
• Joe Marler (Former England rugby player) - Faithful
• Joe Wilkinson (Comedian & actor) - Faithful
• Kate Garraway (Television presenter & journalist) - Faithful
• Lucy Beaumont (Comedian) - Faithful
• Mark Bonnar (Actor) - Faithful
• Nick Mohammed (Actor & comedian) - Faithful
• Niko Omilana (YouTuber) - Faithful
• Ruth Codd (Actress) - Faithful
• Stephen Fry (Actor, writer & presenter) - Faithful
• Tameka Empson (Actress & comedian) - Faithful
• Tom Daley (Former Olympic diver) - Faithful

This lineup is part of a high-stakes game taking place in a Scottish castle, vying for a cash prize for charity.