` ` Mandela : Long Walk To Freedom '' has premiered in U.S. . The film is based on Winnie autobiography . It stars Idris Elba as Naomie Harries , while Nelson Mandela 's plays his second wife , Mandela .
`` Mandela : Long Walk To Freedom '' has premiered in South Africa . The film is based on Nelson Mandela 's autobiography . It stars Idris Elba as Mandela , while Naomie Harries plays his second wife , Winnie .