Contrary to popular belief, Foster's Beer is hard to find in Australia as it is not one of the more preferred beers.
Very careful effort was made to not show car number plates and drivers close up in the cars as to not give away that almost all vehicles used were from the US, i.e., left hand drive, not right hand drive as would be found in Australia.
The title is a play on words for the constellation Crux, commonly known as the Southern Cross, which is visible in the Southern Hemisphere.
Although set in Australia, no filming took place there.