"We didn't film chronologically, so our first scene together was us getting married. It was the first thing we did, and we hadn't even met each other." Actress Naomie Harris was forced to conjure up some chemistry with her Mandela: Long Walk To Freedom co-star Idris Elba on the first day of their shoot. The former Bond girl portrays Winnie Mandela in the biopic, while Elba plays former South African President Nelson Mandela.