Parks and Recreation
Casting News

No offense, Justin Theroux. But this is the most exciting Parks and Recreation casting news of the day:

Amy Poehler's real-life, hilarious husband - Will Arnett - will guest star on a January episode of the sitcom.

Arnett has a recurring role as Jack's nemesis on 30 Rock, but he's best known as Gob from Arrested Development, one of the funniest characters in the history of TV.

According to NBC, via E! News, Arnett will portray a "MRI tech" in Pawnee. That's all we know about the role for now. Except for this:

It's sure to be hilarious.

Are you ready for some Parks and Recreation... and love?

Entertainment Weekly reports that Justin Theroux has signed on for a recurring, upcoming role on Parks and Recreation.

The actor's most recent small screen credit was a run on Six Feet Under in 2004. He's actually best known as a screenwriter, having penned the scripts for Tropic Thunder and Iron Man 2.

Therouxhas been cast as a friend of Ann’s and a potential love interest for Leslie. He'll debut in early 2010.

Parks and Recreation is about to get even funnier.

Former Will & Grace star Megan Mullally will guest star on an upcoming episode, actress Rashida Jones confirmed this week to TV Guide.

The hilarious actress will portray the ex-wife of Ron Swanson, Leslie Knope's serious, dry-witted boss. 

"She's married to Nick Offerman, who plays Ron Swanson, but they play exes on the show," Jones said of Mullally's guest-starring stint, which will air on October 29.