The X Factor (Australian TV series) season 1

The X Factor was an Australian television music competition to find new singing talent. The first season premiered on 6 February 2005 and ended on 15 May 2005. The show was cancelled after the series ended due to poor ratings, but was revived in 2010 after Seven Network acquired the rights through meetings with show creator Simon Cowell.

Masterclass

 * 16-24s – Jack Byrnes, Gemma Purdy, Jacob Butler, Victoria McGee, Vincent Harder
 * Over 25s – Roslynn Mahe, Cavan Te, Russell Gooley, Reegan Jolley, Jennifer Anderson, Janie Shrapnel
 * Groups – 2XL, Beyond Society's Kontrol, Kaya, The Brothership, Random

Judges Houses
The 7 eliminated acts were:
 * 16-24s – Jack Byrnes, Victoria McGee
 * Over 25s – Cavan Te, Jennifer Anderson, Reegan Jolley
 * Groups – 2XL, Beyond Society's Kontrol

Live Shows
Act in team Mark
 * Colour key

Act in team Kate

Act in team John

Contestants' colour key:
 * – Act in the bottom two and had to perform again in the final showdown
 * – Act received the fewest public votes and was immediately eliminated (no final showdown)

Notes N/A1 Holden was not required to cast a vote as there was already a majority.