However, New Zealand struck straight back with a Julian Savea try.
Julian Savea and Sam Cane scored a try each in the second half while keeping Australia scoreless.
New Zealand hooker Coles set up tries for Dagg, Julian Savea and Sam Whitelock with some crisp passing.
His total of 10 tries at the 2014 IRB Junior World Championship broke the tournament record previously held by Julian Savea and Zac Guildford.
Along with Julian Savea, he started all sixteen matches for the Hurricanes and by early April, in the 2014 Super Rugby season, Barrett had already scored 100 points.
Three penalties and a drop-goal from Owen Farrell gave England a 15-0 lead after 42 minutes, only for tries from Julian Savea and Kieran Read to make it 15-14.
Even rugby union players have been seen doing their own version of the Dougie with Juan de Jongh, Julian Savea, Lelia Masaga and other notable players, whose athletic deeds can be watched on YouTube.
There have only been six hat-tricks in the World Cup knockout stages : Chester Williams and Jonah Lomu in 1995, De Beer in 1999, and Julian Savea and Adam Ashley-Cooper in 2015.
Thomson was a member of the New Zealand Under 20 team that won the 2010 IRB Junior World Championship in Argentina, where the 197 cm forward played alongside the likes of Crusaders Tyler Bleyendaal and Tom Marshall and All Black winger Julian Savea.
Milner-Skudder's injury, along with Julian Savea's poor form saw the Hurricanes back-line change extensively throughout the campaign, before settling for Jason Woodward and former All Black Cory Jane on the wings, while James Marshall was shifted to fullback.