FilmmakerIQ:
Keep in mind that this focuses mostly on the on-set personnel, and even still it doesn’t include every single crew member! Here’s a recap of what we just learned, along with a few extra people peppered in there to round out the list. The amount of people you need to help make your film vary widely from a simple duo to many hundreds of crew members.
A film set in a war zone, and is run a lot like the military. I have witnessed many problems on set because the hierarchy was not followed. Having on set etiquette is maybe more important to getting your job done than anything else.