Nolan Sequel would be with many characters that are made by Bob Kane.
Christian Bale as Bruce Wayne/Batman
Reason:He is Batman in previous movies so i decided to not changing him.
Michael Caine as Alfred Pennyworth
Reason:Same as for Bale.
Gary Oldman as Lt.James Gordon
Reason:He is Gordon baby.
Morgan Freeman as Lucius Fox
Reason:Had no better actor for Fox in the world.
Michael Masden as Det.Harvey Bullock
Reason:For me Bullock looks just like Madsen.
Charlize Theron as Vicki Vale
Reason:Charlize is beautiful like Vicki.
Ray Stevenson as Roman Sionis/Black Mask
Reason:Guy was great in Punisher and he had great actor abilities.
Brian Cox as Rupert Thorne
Reason:One more time,one great actor,,Brian Cox''.He would be perfect for Thorne.
Kevin Grevioux as Waylon Jones/Killer Croc
Reason:Picture said reason.