Michelle Monaghan has boarded Due Date, joining Robert Downey Jr. and Zach Galifianakis in the Todd Phillips-directed comedy for Warner Bros.

According to Variety, Monaghan will portray the pregnant wife of a guy (Downey) who races home in hopes of arriving before she delivers their first child. He takes on a mismatched traveling companion (Galifianakis).

No production date has been set.