Now, I have no idea what the official cast will be, but apart from the obvious Edolas counterparts, I'd like to list my dream cast for the dub of the next arc:
Spoiler for Speculation only:
Hughes - Josh Grelle
Sugarboy - Ian Sinclair
Byro - Chuck Huber
Coco - Maxey Whitehead
Those who have seen the arc all the way through should know why Faust is not on this list. If not...