Jerry Seinfeld, Julia Louis-Dreyfus, Jason Alexander and Michael Richards will all appear together in the upcoming season of "Curb Your Enthusiasm". CYE is another Larry David creation, so this doesn't come as a huge shock. 'Seinfeld' Cast Set to Curb Their Enthusiasm They were originally talking about a reunion episode of Seinfeld but that didn't pan out. Seinfeld Cast to Re-Unite in Several Episodes Instead they will appear in several episodes of Curb Your Enthusiasm. I don't know whether or not they will play their Seinfeld characters or not but it should be interesting. If only I had HBO. Maybe I'll be able to catch it on their website but who knows.