Ruth in the show "Traitors" is Ruth Codd, an Irish actress known for roles in Netflix series like The Midnight Club and The Fall of the House of Usher. She is a contestant in the 2025 Celebrity Traitors series on BBC One. Before acting, she was a makeup artist and barber, and she gained fame on TikTok during the COVID pandemic. Ruth is also an advocate for disability awareness, having had her right leg amputated below the knee at 23 due to complications from a previous injury. She participates in the show enjoying the game's element of deduction, betrayal, and trust.