The "Ghostbusters" have a new bad guy to defeat — Neil Casey.

"Who?" is probably what you're wondering, considering that Paul Feig's reboot boasts a star-studded cast. Kristen Wiig, Melissa McCarthy, Kate McKinnon, and Leslie Jones are playing the busters, and Chris Hemsworth is on board as the receptionist. Andy Garcia, Michael K. Williams, and Cecily Strong will also appear in the movie.

Casey is primarily a writer whose credits include "Saturday Night Live" (a good match, then, since Wiig, McKinnon, Jones, and Strong are all current or former "SNL"-ers), "Inside Amy Schumer," and "The Kroll Show."

As an actor, he's appeared in "Veep" and "Broad City." And most notably — and likely the reason he got this gig — he stars in Feig's Yahoo original series "Other Space."

No word on what his character, Rowan, is like or how he gets involved in the ghost invasion that takes over Manhattan.

"Ghostbusters" is scheduled for release July 22, 2016.

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