Isla Fisher is joining Fox 2000's spy comedy “Keeping Up With the Joneses,” TheWrap said citing an individual with knowledge of the project.

Jon Hamm and Zach Galifianakis are already cast in the film, which follows a suburban couple who discover their picture-perfect new neighbors are actually undercover spies. Galifianakis and Fisher play the couple, while Hamm plays one of the spy neighbors.

“Adventureland” helmer Greg Mottola is directing from a script by Mike LeSieur. Walter Parkes and Laurie MacDonald are producing.

Fisher, who broke out opposite Vince Vaughn in “Wedding Crashers,” was last seen in “The Great Gatsby” and “Now You See Me.”

She is currently filming “Grimsby” opposite real life husband Sacha Baron Cohen.

The news was first reported by the Tracking Board.