Question: Who directed "2012," an American epic disaster film which stars British actor Chiwetel Umeadi Ejiofo?
Sentence (from "2012 (film)"): 2012 is a 2009 American epic disaster film directed by Roland Emmerich, and stars John Cusack, Chiwetel Ejiofor, Amanda Peet, Oliver Platt, Thandie Newton, Danny Glover and Woody Harrelson.
Relevant evidence: Yes