According to the Mayan calendar, the world will come to an end on December 21, 2012.
Based on this prophecy, 2012 chronicles a global cataclysm that thrusts the world into chaos.
The film is directed by Roland Emmerich (Independence Day, The Day After Tomorrow) and stars John Cusack, Amanda Peet , Chiwetel Ejiofor.
Kate Rodger travelled to the US to interview the cast and crew.
Watch her full, uncut interview with Chiwetel Ejiofor.