Name	Known for
Luke Jacobz Self - Host Self - Host See fewer	McLeod's Daughters (2001)
Guy Sebastian Self - Judge Self - Judge See fewer	Australian Idol (2003)
Ronan Keating Self - Judge Self - Judge See fewer	Notting Hill (1999)
Natalie Bassingthwaighte Self - Judge Self - Judge See fewer	Neighbours (1985)
Mel B Self - Judge Self - Judge See fewer	Spice World (1997)
Jay Sean Self - Special Guest Self - Special Guest See fewer	Fish Tank (2009)
Reece Mastin Self - Special Guest Self - Special Guest See fewer	The X Factor (2005)
Psy Self - Special Guest Self - Special Guest See fewer	Psy: Gangnam Style (2012)
Jason Owen Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Angel Tupai Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Nathaniel Willemse Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Fourtunate Themselves - Contestant Themselves - Contestant See fewer	The X Factor (2005)
Bella Ferraro Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Samantha Jade Self - Contestant Self - Contestant See fewer	Never Tear Us Apart: The Untold Story of INXS (2014)
Shiane Hawke Self - Contestant Self - Contestant See fewer	The X Factor (2005)
The Collective Themselves - Contestant Themselves - Contestant See fewer	The X Factor (2005)
Brock Jays Self Self See fewer	The Voice (2012)
Nicole Pastor Performer for Reece Mastin Performer for Reece Mastin See fewer	Freelance (IV)