The Dark Knight star, 90, has joined a show which will begin filming next month, reports The Sun. "He's been asked to star in a Netflix series. Details are kept closely guarded.” The news follows Caine's announcement in October that he was retiring from acting - just days after the release of his latest film, The Great Escaper. The Italian Job actor explained to the BBC at the time that his decision came after he concluded that "you don't have leading men at 90"