The New Zealand employment environment is governed by the Employment Relations Act. Information about the Act and what it means for employers can be found at the Employment Relations Service. Union membership is voluntary in New Zealand.
NEW ZEALAND CAST AND CREW EMPLOYMENT AND ENGAGEMENT:
New Zealand crew are generally considered to be self-employed independent contractors.
If you are planning a long-term production in New Zealand you should seek professional advice;
Contact us in the first instance and we can point you in the right direction.
Foreign Crew will require a letter of non objection and a work visa application : NZ immigration Application