Monkey business in Hollywood

Hollywood stars James Franco, Freida Pinto and Andy Serkis spoke to reporters about their new film, Rise of the Planet of the Apes.

The film is a prequel to Planet of the Apes and sees James Franco plays a scientist attempting to discover a cure for Alzheimer's disease. He gives a drug to a chimpanzee named Caesar, played by Andy Serkis, that makes the chimp's brain develop in unexpected ways.