Actually, I think a well-made movie with a gripping story and characters will bring more attention than A-list talent. That's because a movie without A-list talent is more likely to be a box-office hit. See Fallacy of the Big-Name Actor for why casting people like Johnny Depp isn't necessarily the best way to go.
Blood lines are important?
So when exactly are you going to hire the first Native actor? Do you need me to suggest someone for you? I know a couple of casting people if you're having trouble finding qualified Natives.
If you're implying that you're going to hire A-list actors with a drop of Native blood to play the Native roles, you'll get a lot of criticism from the Native community. Or at least from me. There's nothing authentic about that.
So why don't you address the key question: Will you hire Native actors to play the three Wyandot sisters? Or will you cut Natives out of the process and go with non-Natives in your quest for
For more on the subject, see The Best Indian Movies.