When Michael Moriarty is chasing Tony King through the street, at first King is barefoot, but at certain instances, you can tell he has on shoes, then later in the chase scene, he is barefoot again.
When Joey tries to follow Patty, he goes by the twin Spanish language theaters twice - once with the marquee lit, once when it is dark. He also passes the Metropole Cafe twice while holding onto the back of a taxi.