*spoilers*
i dont know either. i didnt get how he suddenly went from hearing something in his bed to seeing himself as part of the film and then talking in italian unless it was meant to be a hallucination. i think the idea was meant to be that he was gradually going a bit crazy and unravelling as the film went on from seeing all the violence, being around nasty directors/bosses etc, generally being treated like dirt, and losing grip on reality. or that it was all just some weird figment of his imagination, or ours, or that nothing is what it seems in giallo, that he maybe separated himself from his real self in order to deal better with the horrible films he was part of. im actually starting to think more of the ending typing all that though i thought it was a bit weak when i watched it. i dont hate the film or anything btw, i just expected more after being sucked in by all the reviews. also, the directors first film was brilliant imo whereas this one seemed a bit unsure of itself.