Christian Bale has one condition to return for The Dark Knight 4, and he is not the only one involved with the Batman franchise to have commented on a possible comeback. Bale was cast as Bruce Wayne for director Christopher Nolan’s Batman Begins, beating other candidates like Cillian Murphy, who would play Scarecrow in Nolan’s The Dark Knight trilogy, and Jake Gyllenhaal, who is one of the more popular candidates in the eyes of fans to play the new Batman of James Gunn’s DC Universe. Bale brought the goods, easily becoming one of the best live-action Batman actors.