Mullally will play the new boss of Contra Security, after a corporate conglomerate takes control of the company. "The takeover puts her in a power struggle with Contra’s former owner Oz (Christian Slater), along with employees Cameron (Bret Harrison), Cash (Alphonso McAuley) and Melanie (Odette Annable)," according to press notes. The second season of "Breaking In" will begin production in January 2012 for a spring premiere on Fox.

The series is produced by Happy Madison Productions, Adam F. Goldberg Productions and Sethsquatch, Inc. in association with Sony Pictures Television. Adam Goldberg, Seth Gordon and Doug Robinson serve as executive producers, while Goldberg serves as writer.

A two-time Emmy Award winner for her portrayal of Karen Walker on NBC's "Will & Grace," Mullally's credits include the Broadway revivals of How to Succeed in Business Without Really Trying and Grease!, as well as the Mel Brooks musical Young Frankenstein. Mullally and her band, Supreme Music Program, have released the albums "Sweetheart," "Big as a Berry" and their latest, "Free Again!"