08/23/2012 09:58 am ET

Chloe Sevigny Joins 'Portlandia' And More Casting News

Watch out, Fred and Carrie: A new hipster is moving to town.

According to Entertainment Weekly, former "Big Love" star Chloe Sevigny is headed to the northwest to shack up with Fred (Fred Armisen) and Carrie (Carrie Brownstein) in Season 3 of the "Portlandia."

Playing the quirky duo's roomie isn't Sevigny's only upcoming role. The actress is also set to play a nymphomaniac named Shelly on "American Horror Story: Asylum."

In other casting news...

"Go On" nabs Bob Costas. The sportscaster will guest star on Matthew Perry's sitcom as a man who presents Perry with a career-changing opportunity. [EW]

Kevin Sussman is now a "Big Bang Theory" series regular. Known for his recurring portrayal of comic book store owner Stuart, Sussman has been upped to a series regular for the CBS comedy's comedy's upcoming season. [THR]

Maulik Pancholy is saying goodbye to "Whitney." Lily's (Zoe Lister-Jones) ex-fiance Neal will not be returning to the NBC comedy for a second season. Luckily, Pancholy is still going strong in his role as Jack Donaghy's (Alec Baldwin) overly eager assistant on "30 Rock." [TV Guide]

Sprague Grayden and David Costablie land an AMC gig. Grayden and Costabile will appear on AMC's pilot "Low Winter Sun." Grayden will play Elena, a woman working to extend the family's crime network, while Costabile will portray an investigator from internal affairs. [Deadline]

Emmy Nominees 2012