'They know how cutthroat it can be': Survivor: All Stars host Jonathan LaPaglia brands this year's cast as 'ruthless' as he warns fans to expect 'a lots of blindsides' By Caleb Taylor For Daily Mail Australia Published: 01:36 GMT, 2 February 2020 | Updated: 02:25 GMT, 2 February 2020 Viewcomments Jonathan LaPaglia has revealed exactly what fans can expect to see on this year's season of Australian Survivor: All Stars.\u00a0\u00a0 Speaking to TV Tonight on Sunday, the 50-year-old said this season will feature extreme levels of competition from\u00a0the minute players hit the beach.\u00a0 'You've got 24 returning contestants, who are all hungry for something: redemption, revenge or the ultimate prize of being crowned the sole Survivor,' he said.\u00a0 'They know how cutthroat it can be': Australian Survivor host Jonathan LaPaglia, 50, (pictured) has branded the cast of this year's All Stars season as 'ruthless' ahead of the 2020 season premiere\u00a0 The TV host explained all the contestants have played Survivor before, meaning they understand how 'cutthroat' it can be.\u00a0\u00a0 'They know what it's like to be out on the island. They know how cutthroat it can be and they're all super-competitive. That's a lot of testosterone.'\u00a0 'So that culminates in a lot of blindsides. It's pretty ruthless.'