American Horror Story: Freak Show is in session, but there are several cast members who haven't made an appearance so far. Creator Ryan Murphy loves casting a few guest spots throughout the series, and we have yet to see Matt Bomer and a handful of other hotly anticipated stars, including the newly announced Neil Patrick Harris and David Burtka. At this point, we know who everyone is playing and identified the best characters to be for Halloween. Take a look at everyone in the cast, and check out who we still get to look forward to!
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Source: Getty / D Dipasupil