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)
Fourtunate Themselves - Contestant Themselves - Contestant See fewer	The X Factor (2005)
Carmelo Munzone Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Shiane Hawke 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)
Jason Owen Self - Contestant Self - Contestant See fewer	The X Factor (2005)
The Collective Themselves - Contestant Themselves - Contestant See fewer	The X Factor (2005)
Bella Ferraro Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Nathaniel Willemse Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Angel Tupai Self - Contestant Self - Contestant See fewer	The X Factor (2005)
Jessica Mauboy Self - Musical Guest Self - Musical Guest See fewer	The Sapphires (2012)
Labrinth Self - Musical Guest Self - Musical Guest See fewer	Euphoria (2019)
Birdy Self - Musical Guest Self - Musical Guest See fewer	The Fault in Our Stars (2014)
Brock Jays Self Self See fewer	The Voice (2012)