This is a movie about someone that goes back to the old neighborhood to make a movie. It turns out a friend is missing and he makes a do0cumentary. There are characters like a guy making a living taking pictures with a wrestler and a disco dancer a guy that steals his friend’s car constantly.
“The Search for One-eye Jimmy”
https://www.imdb.com/title/tt0117577/?ref_=tt_urv
This only matches a little bit: The Disappearance of Finbar.
https://www.imdb.com/title/tt0117220/?ref_=nv_sr_2