Matt Czuchry’s on screen father has been cast.

“Gossip Girl” alum John Shea, who played Blair’s father on The CW drama will portray Cary Agos’ father on “The Good Wife.” TVLine reports, Shea’s character is a little “awkward and stiff.”

‘The Good Wife’ Season 4 Promo: Kalinda Vs. Nick

Additionally, THR reports “Ringer” alum Mike Colter, will return to “The Good Wife” as drug kingpin Lemond Bishop in the forthcoming season.

John Shea and Mike Colter join “TGW” season 4 guest stars: Christina Ricci, Kristin Chenoweth, Nathan Lane, Brian Dennehy, Annabella Sciorra, Maura Tierney, Amanda Peet, and Marc Warren.

“TGW” returns Sun., Sept. 30 on CBS.

More casting news…

Chris Zylka, former “Secret Circle” star has dropped out of FX’s thriller “American Horror Story: Asylum.” As previously reported, Zylka was booked to play a deaf mute in a two-episode arc on “AHS.” [Zap2IT]

Matt Long will recur in “Private Practice.” The “Jack & Bobby” alum will play a hot new doc in St. Ambrose. [TVGuide]

Gil Bellows, “Ally McBeal” vet has tapped a recurring role on CBS’ new drama “Vegas.” Bellows is set to play George Grady, a mayoral candidate. [EW]

Funnyman Rob Riggle has booked a guest star role on Fox’s comedy “New Girl.” The 21 Jump Street star will play Schmidt, Schmidt’s cousin and nemesis (confused right?). Riggle will appear in the comedy’s Thanksgiving episode. [TVLine]

“The Vampire Diaries”’ has enlisted Blake Hood (The Young and the Restless) and Alyssa Diaz (The Nine Lives of Chloe King) to play Klaus new hybrids in Episodes 5 and 6, respectively, of Season 4. [TVGuide]

Mitch Pileggi has been promoted to series regular in “Dallas”‘ second season. The “X-Files” alum played Ann’s (Brenda Strong) ex-husband in the previous season. [Deadline]

“Everwood” alumna Debra Mooney has joined “Scandal” in a recurring role. Mooney will play a Supreme Court Justice in a multi-episode arc. [TVLine]

Wilmer Valderrama will reprise his role as Chatswin’s go-to guru in second season of “Suburgatory” [TV Guide]