Actresses Rose Byrne and Anna Faris have joined the cast of I Give It a Year, alongside Simon Baker and Rafe Spall.

Working Title Films is beind the romantic comedy project, which follows a mismatched couple (Rose Byrne and Rafe Spall) struggling through their first year of marriage. Anna Faris and Simon Baker are playing integral supporting characters.

Dan Mazer, who wrote Bruno, Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan, and executive produces The Dictator, will make his directorial debut with I Give It a Year, working from his own original screenplay. Working Title's Tim Bevan and Eric Fellner are producing alongside Kris Thykier.

Production is scheduled to begin this spring in London.