Mystery Science Theater 3000 is coming back, and some big names will make cameo appearances during the return season.

A Kickstarter campaign managed to bring the series back to life, and now The Wrap reports that Jerry Seinfeld, Mark Hamill, and Joel McHale have made it clear that they will appear on the series.

Joel Hodgson also invited Bill Hader, Neil Patrick Harris, and Jack Black to appear on the series, but they have not said yes.

Jerry Seinfeld confirmed via Twitter that he would appear on the series.

My pal @JoelGHodgson has 36 hours left to #BringBackMST3K Help him out now at https://t.co/DRJBaGUZ55 and I’ll show up next season.

— Jerry Seinfeld (@JerrySeinfeld) December 10, 2015

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