Robert De Niro, 81, is unrecognisable as he takes two lead roles in new gangster movie

Screen legend Robert De Niro will have fans seeing double in The Alto Knights (Picture: Warner Bros. Pictures via AP)Robert De Niro has taken on the challenge of acting opposite himself as the two unrelated lead characters in his new mob movie – and looks virtually unrecognisable.The Alto Knights has the 81-year-old screen legend starring as both Frank Costello and Vito Genovese, real-life mob bosses whose childhood friendship decays into a deadly rivalry.Opening just as Genovese has orde