Steve Hooker - Hooker is a 2008 Beijing Olympic Games gold medalist in pole vaulting, the first male Australian track and field competitor to win gold since 1968. He was 26 years old, 85 kilograms and 188 centimeters tall.
Brett Deledio - Deledio plays in the AFL with the Richmond Tigers. Multi-skilled, Brett turned down a spot in the Victorian youth cricket team in his younger years to focus on Australian Rules Football. He was 21 years old, 87 kilograms and 189 centimeters tall. The charity he supported is the Marsh Foundation.
Lote Tuqiri - Tuquiri played for the Wallabies at the time of the show. Previously he had played for the Brisbane Broncos, making him the only contestant to play professionally in two football codes. He was 29 years old, 103 kilograms and 191 centimeters tall. The charity he supported is the RSPCA.
Ky Hurst - Hurst is one of Australia's greatest Ironmen. He is the only man to win seven Ironman titles. He was 27 years old, 87 kilograms and is 182 centimeters tall. The charity he supported is the Kids Help Line.
Andrew Symonds - Symonds is one of Australia's more popular and controversial cricketers. Considered an all-rounder, Symonds was playing for both Australia's Test and One-Day teams. He was 33 years old, 94 kilograms and 187 centimeters tall. Symonds is also supporting the Royal Flying Doctor Service.