I'm on location for the movie now and the weather is terrific. First day of shooting is tomorrow.
Which meant that they were casting extras a couple days ago. They had a general casting call and 350 people showed up. Who doesn't want to be a zombie?
I'm following the director around trying to learn lessons, and here is one of the early ones:
Various assistants trimmed down the horde to a manageable few and the director starts flipping through their photos. They're all pretty much right for the part so he focused on their eyes and said "look for the crazy".
You don't want to deal with any more whackos on a set than you're contractually obligated to.