The “Numbers” alum and Maher join “TGW’ star studded guest stars: John Shea, Mike Colter, Christina Ricci, Kristin Chenoweth, Nathan Lane, Brian Dennehy, Annabella Sciorra, Maura Tierney, Amanda Peet, and Marc Warren.

The Good Wife returns Sunday, Sept. 30 at 9:30/8:30c on CBS.

More casting news…

Brain McNamara is set to guest star as a pet expo proprietor in an upcoming episode of “Bones.” [TVLine]

Britney Spears’s mentor on “The X Factor” is the Black Eyed Peas front-man will.i.am. [TVGuide]

“Brothers & Sisters” vet Gilles Marini has been promoted to series regular on ABC Family drama “Switched at Birth.” [Deadline]

Jason Lee has landed guest role on TBS comedy “Men at Work.” Lee will play the guys’ annoying co-worker  in the comedy’s sophomore season. [TV Guide]

June Diane Raphael (New Girl) has booked a recurring role as a new hire on NBC’s new comedy “Animal Practice.” [THR]

Jon Michael Hill (Detroit 187) has been made a series regular on CBS’ Sherlock drama “Elementary.” The “Detroit 187″ star will play a detective in the new series. [Deadline]

R&B star Ne-Yo has landed a cameo in The CW series “90210.” [TV Guide]