Big Brother Australia returned to Network 10 on 26 October 2026 with 14 new housemates moving into a brand-new house at Screen Queensland Studios in Brisbane. Hosted by Mel Tracina, Season 17 offers a $100,000 prize – and this year’s cast includes the sister of two-time winner Reggie Bird, the mother of a 2020 housemate, and a pair of secret siblings. Meet the housemates below.
- Anita Bingham – 47, TAS, travel advisor
- Pam Davidson – 62, SA, teacher
- Ryan Macri – 27, NSW, garden centre manager
- Tahlia Macri – 25, VIC, support worker
- Austin Hendrey – 22, QLD, carpenter
- Charity Bosco – 29, NSW, field manager
- Ebony Vandermont – 23, VIC, entrepreneur
- Harmon Singh – 29, QLD, IT salesman
- Heath Slater – 23, QLD, engineering student
- Kyrah Brock-Fenton – 25, NSW, English and drama teacher
- Andrew “Marshy” Marschall – 24, SA, forklift salesman
- Matty Michael – 39, WA, mining commentator
- Pheobe Joyce – 26, QLD, hardware store worker
In Week 1, secret siblings Ryan and Tahlia won immunity and appointed Matty as Head Housemate, while Harmon, Ebony and Kyrah faced the first eviction vote. Harmon Singh became the first housemate evicted on Sunday 1 November, receiving the fewest votes to save; Ebony Vandermont and Kyrah Brock-Fenton were saved by the public vote.