Kristin Chenoweth Kristin Chenoweth

Kirstie Alley's new TV Land sitcom is attracting even more star power. Kristin Chenoweth, Kristen Johnston and Cloris Leachman will guest-star on Kirstie, TVGuide.com has learned.

On the show, which was initially titled Giant Baby, Alley plays Broadway star Madison Banks, whose life turns upside down when the son she gave up at birth (Eric Petersen) shows up and wants to reconnect.

Seinfeld's Jason Alexander, Michael Richards to reunite on Kirstie

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