Before he even stepped in front of a camera, David Bowie carried the mantle of a matinee idol. His cubist bone structure, the well-coiffed locks and wide-legged trousers of his early years recalled Katharine Hepburn. The camera loved his feline grace and sulky hauteur. One of his earliest onscreen appearances, ZIGGY STARDUST AND THE SPIDERS FROM MARS, could double as a screen test, both for its shoddy film quality and for the versatility of his talents and personae.