The Traitors Australia is returning to Network 10 in August 2026 with comedian and former Big Brother Australia host Gretel Killeen taking the helm as the show’s new host.
Quick Facts
- The show will premiere on Network 10 in August 2026
- Gretel Killeen replaces Rodger Corser as host
- The cast features 22 contestants from reality TV, sport, and entertainment
- The Traitors has been adapted in 40 territories worldwide
The revived format brings the global hit show to Australian audiences with a fresh cast stacked with reality television personalities. The game pits contestants against each other in a competition centered on deception and elimination, where a select group is secretly chosen as Traitors while the rest begin as Faithfuls.
Killeen, who hosted Big Brother Australia from its debut in 2001 through 2007, will guide the 22 contestants through the game. The cast includes familiar faces from Australian Idol, The Real Housewives of Melbourne and Sydney, Drag Race Down Under, Australian Survivor, The Bachelor, Married At First Sight, Love Island Australia, The Block, MasterChef Australia, Aussie Shore, Big Brother, and Made In Bondi, along with musician Rob Farnham.
The Traitors Australia returns in August with Gretel Killeen as host
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The format has become one of the most successful television exports globally. According to K7 Media, The Traitors was recently named the top-selling new television format of the decade to date, with adaptations commissioned across 40 territories worldwide and multiple returning series in various countries.
The Australian version is produced for Network 10 by South Pacific Pictures, with the format originally created by IDTV in cooperation with RTL Creative Unit.
Sources
- Variety Australia — premiere date, host announcement, cast details, and global format success
- Wikipedia — Gretel Killeen’s hosting history and show announcement
- Metro.co.uk — host and format details











