Former EastEnder Jimi Mistry is appearing on the big screen twice in the next few months, in low-budget Brit thriller Exam and November's Roland Emmerich disaster movie 2012. We caught up with the actor recently to find out about 2012's "mind-blowing" visual effects and which of his two recent directors likes shouting though megaphones.

> Video: 5 minutes of destruction in 2012