Adam Brody and J.K. Simmons have joined the cast of "
Jennifer's Body," Diablo Cody and Jason Reitman's follow-up collaboration to "Juno."
Cody's script centers on Jennifer (Fox), a cheerleader possessed by a demon who starts feeding off the boys in a Minnesota farming town. Her bookish best friend (Seyfried) must take drastic measures to protect the town.