Premiere of 'Mandela: Long Walk to Freedom' - Film Adapted from Nelson Mandela's Autobriography

CLEAN: Interior interview with director Justin Chadwick speaking about how the film makers filmed in Soweto and Cliptown townships, 'so when Idris [Elba] stands up on a stage that is real people who have seen [Nelson] Mandela talk, who are reacting to his speeches. There was no escape for him as an actor, he had to be in that moment, to be truthful to those people'. Premiere of 'Mandela: Long Walk to Freedom' - Film Adapted from Nelson Mandela's Autobriography on November 03, 2013 in Johannesburg, South Africa (Footage by Sky News/Getty Images)