Twilight's Cam Gigandet will star opposite Leighton Meester in Screen Gems' psychological thriller The Roommate.

According to Variety, the story centers on a deranged college freshman who becomes obsessed with her new roommate. Gigandet will play the boyfriend of Meester's character.

Christian E. Christiansen is directing from a Sonny Mallhi screenplay.

Screen Gems will start production in May.