I am sure you are right. I just said “Persian” as that is where they were. For all I know the movie may have properly identified him as I was sort to watching two shows at the same time.
I confess I find it a fascinating area of study though highly speculative. The Amalekites, for instance, are condemned by God for attacking the weak and young stragglers from behind; not different than the modern terrorists bombing grammar schools and the like.