David Wenham and Stephen Graham have joined the cast of Michael Mann's "Public Enemies" for Universal Pictures says The Hollywood Reporter.

An adaptation of Brian Burrough's book, the film centers on famed FBI agent Melvin Purvis (Christian Bale) and the government's attempt to stop John Dillinger (Johnny Depp) and his gang.

Wenham is playing Pete Pierpont, a member of Dillinger's crew who has a violent hostility to all authority. Graham will portray Baby Face Nelson.

Marion Cotillard, Channing Tatum, Giovanni Ribisi and Stephen Dorff also star. Shooting begins in March in Chicago.