So many I could suggest. Will limit to just 3:
IT FOLLOWS: Not a big budget & no big names (though Maika Monroe has come on strong in subsequent films) -- but a brilliant & deeply observant SciFi concept here
https://www.imdb.com/title/tt3235888/?ref_=fn_all_ttl_1
UNDER THE SKIN: More brilliant sci-fi. The movie is stunning; so's the soundtrack.
https://www.google.com/search?client=firefox-b-1-e&q=under+the+skin
BURNING: One of the most mysterious, haunting films ever. I still think about the ending.
https://www.google.com/search?client=firefox-b-1-e&q=under+the+skin

