Former Miss Australia and TV presenter Erin may look unassuming but she could prove to be one to watch.
Known for cooking up a storm and his latest stint on Dancing With The Stars, Manu will be swapping his French cuisine for base camp food.
You'll probably recognise her from Puberty Blues and Home & Away, but SAS could be the biggest role she plays yet.
Given his ironman title, we already know that Jett has physical strength on his side, but it'll take a whole lot of mental strength to get him through to the finish line.
This former tennis champion has seven Grand Slam titles and a bronze Olympic Medal under her belt, giving her quite the impressive resume.
As a former professional surfer, it's likely Koby will take to the water challenges with ease.
Jessica is the daughter of Olympian and Survivor star Nova Peris, so her mum may have given her a few tips for nailing the reality-TV game.
This former track and field Olympian will be sprinting to that fashion line against all odds.
As a former politician and Labor member for Lindsay from 2016-2019, Emma might know how to play the people better than anyone in there.
Known for his role as Heath on Home & Away, this actor is no stranger to playing the tough guy on screen. But how will he hold up when it's all for real?
She took the winning title on last year's season of The Masked Singer, but Bonnie won't have anything to hide behind this time.
Brynne may be married to billionaire Geoffrey Edelsten, but she'll be trading in the glitz and glamour for a far more gruelling reality.
Taking home a gold medal at the Olympics for beach volleyball in 2000, it'll be sink or swim for Kerri.
Singer-songwriter Pete won't be able to win over the DS with his sweet serenades, so let's see what else he's got.