Skylarker
Jet Star already employ foreign crew in Australia on 457 visa's and this is not because of lack of suitable applicants it comes down to cost or in jetstar's excemptional case language and cultural skills.
This is part of an article in the Sydney Morning Herald dated 26/5/08
Jetstar has also recently hired 20 foreign cabin crew on 457 visas and has government approval to hire up to 60 more.