The official announcement for the lineup at the 63rd Cannes Film Festival will be unveiled Thursday, but certain Hollywood names are already on movie watchers lips. Expect Brad Pitt and Sean Penn to be there for Tree of Life, directed by Terence Malick. Lover-of-all-things-France Johnny Depp is also expected for his movie Rum Diaries. Even Governor Arnold Schwarzenegger is expected for the action flick Expendables.