HBO Max, speculation has swirled around the possibilities of an original cast member (or two or three) dropping by for a quick cameo or perhaps even more. Well, expect a few Upper East Siders to swing by their old New York City haunts near the end of the series' 12-episode first season.«There are a whole bunch of recurring characters who appear in episode 10,» executive producer/showrunner Joshua Safran revealed to ET's Leanne Aguilera.