According to The Hollywood Reporter, Justin Bartha has signed on to star in Failure to Launch for Scott Rudin Prods. and Paramount Pictures. He joins Matthew McConaughey, Sarah Jessica Parker and Zooey Deschanel in the comedy about a thirtysomething guy (McConaughey) that can't seem to leave home. Bartha will play a friend of McConaughey's that ends up getting together with Deschanel, a friend of Parker's.

Tom Dey is directing from a script by Tom J. Astle and Matt Ember. Bartha most recently appeared in National Treasure. He also signed on to topline the NBC pilot "Filmore Middle."