He'd play Court Gentry, a CIA agent-turned-assassin who's famous in the shadowy world of covert operations but is now targeted by mysterious forces. As he tries to dodge the forces who are out to get him, he has to save the lives of daughters he didn't know existed.
The movie is based on Mark Greaney's novel.
Pitt's "World War Z" is filming now.
Variety first reported the news.