For many famous, well known or popular people - movie and music stars, politicians, and all other, for who many people know of, such as for example Elvis Plresley, or even Hitler is claimed, that they are still alive, based on an untruethfull proves.
The true is that, there are many people, who may look simmilarly to someone else.
The man from the picture most probbably is someone, who has lived once, and happened to look simmilarly to Nicolas Cage. He most probabbly is death from natural causes.