Emilie De Ravin (Lost) has been cast in a supporting role in Michael Mann's Public Enemies, according to Variety.

The actress will star alongside Johnny Depp in the film.

An adaptation of Brian Burrough's book "Public Enemies: America's Greatest Crime Wave and the Birth of the FBI, 1933-43," the film centers on the government's attempt to stop John Dillinger and his gang. Depp is playing Dillinger to Bale's famed FBI agent Melvin Purvis.

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

Public Enemies was released July 1st, 2009 and stars James Russo, David Wenham, Christian Stolte, Jason Clarke, Johnny Depp, John Judd, Stephen Dorff, Michael Vieau. The film is directed by Michael Mann.