Actor Rufus Sewell has joined the cast of Paradise Lost for director Alex Proyas and Warner Bros.

Rufus Sewell will portray Samael, a partisan of Lucifer (Bradley Cooper) who urges him to start the war in heaven. Benjamin Walker, Djimon Hounsou, Casey Affleck, Callan McAuliffe, Diego Boneta, Camilla Belle, and Dominic Purcell also star.

Alex Proyas is directing Paradise Lost from a screenplay by Ryan Condal, Stuart Hazeldine, Philip de Blasi, Lawrence Kasdan, and Byron Willinger. The project is adapted from John Milton's 17th Century poem.

Legendary Pictures' Thomas Tull and Jon Jashni are producing alongside Vincent Newman. It isn't known when production will begin on Paradise Lost.