On screen
Cast
54 credited performers
Ronan Keating
Self - Judge
Luke Jacobz
Character not listed
Guy Sebastian
Character not listed
Natalie Bassingthwaighte
Character not listed
Dannii Minogue
Self - Judge
Stefan Gordy
Character not listed
Mel B
Self - Judge
Johnny Ruffo
Character not listed
Kate Ceberano
Character not listed
John Reid
Character not listed
Mark Holden
Character not listed
Reigan Derry
Character not listed
Marlisa Punzalan
Character not listed
Dean Ray
Character not listed
Reece Mastin
Character not listed
Andrew Wishart
Character not listed
Samantha Jade
Character not listed
Nathaniel Willemse
Character not listed
Will Singe
Character not listed
Zach Russell
Character not listed
Trent Bell
Character not listed
Julian De Vizio
Character not listed
Jayden Sierra
Character not listed
Bella Ferraro
Character not listed
Dami Im
Character not listed
Taylor Henderson
Character not listed
Natalie Imbruglia
Character not listed
Kyle Sandilands
Character not listed
Matthew Newton
Character not listed
Chris Isaak
Self - Judge
James Blunt
Self - Judge
Iggy Azalea
Self - Judge
Jason Dundas
Self - Host
Adam Lambert
Self - Judge
Christian Anthony
Self - Contestant
Mitchel Cave
Self - Contestant
DJ Havana Brown
Self
Rai Thistlethwayte
Self
Jessica Mauboy
Character not listed
Kelly Rowland
Self
Richard Branson
Self
Snoop Dogg
Self
Usher
Self
Keith Duffy
Self
Mikey Graham
Self
Thirsty Merc
Character not listed
Justice Crew
Character not listed
Tamara Jaber
Character not listed
Harry Styles
Self
Louis Tomlinson
Self
Liam Payne
Self
Niall Horan
Self
Shane Lynch
Self
Bailey Spalding
Self