The Dark Knight is written by Jonathan NolanJonathan Nolan wrote The Dark Knight Rises. The Dark Knight Rises is starring Ian Bohen
[Human]: Do you know who wrote The Dark Knight? [Assistant]: Yes, it was written by several people including Christopher and Jonathan Nolan. Do you like thrillers? [Human]: Oh i see. Yes I do. Can you give me more example of Jonathan Nolan's work? [Assistant]: Yes, he also wrote the sequel The Dark Knight Rises. [Human]: Is it the sequel that become a movie and has Ian Bohen in it? It's directed by Christopher Nolan, right? 
Yes, that's correct. Christopher Nolan also produced the sequel.