TVLine Items: No Will & Grace Reunion for NBC's Sean, Chevy Hits Cleveland, CSI KISS'd and More

Will and Grace Hayes MullallyMust-See TV’s erstwhile Jack and Karen will not have the chance to reunite before Sean Saves the World signs off.

TVLine has confirmed that Will & Grace alum Megan Mullally‘s appearance had yet to be shot at the time NBC made the decision to cease production on (read: cancel) the Sean Hayes-fronted freshman comedy.

Salt on wound: Mullally’s guest spot was next in queue, had the show gone on.

As previously reported, Sean‘s unaired episodes will be burned off after the Olympics.

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Ready for more of today’s newsy nuggets? Well….

* Chevy Chase will guest-star on TV Land’s Hot in Cleveland as a man whose endorsement Elka needs for City Council, The Hollywood Reporter reports. In trade, he solicits a date with Valerie Bertinelli’s character. Hot in Cleveland opens Season 5 on March 26, with a live episode.

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* KISS frontman Gene Simmons will appear as himself in a rock-and-roll themed CSI episode, THR reports. His cameo is penciled in for March 12.

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* Lost/Justified alum Jeremy Davies, as previously announced, will guest-star on NBC’s Hannibal this season — and TVGuide.com has since learned that he will be playing a suspect in a strange (duh) murder committed at a stable. The site also reports that Chris Diamantopoulos (Arrested Development? Episodes?) appears in the same episode as a social worker with ties to Davies’ character. (Speaking of Hannibal, peeps can now feast on Season 1 via Amazon Prime.)

* Hellcats‘ Jeff Hephner will play John Case aka the titular Agent X in TNT’s drama pilot starring Sharon Stone as VPOTUS, per our sister site Deadline.

* Melissa McCarthy’s hit-and-miss melange of promos for her imminent third turn as Saturday Night Live host is here, including a bit where she and Kenan Thompson try to talk up the Super Bowl without getting NBC in legal trouble, by referring to it with other names: