Mark Rylance was trained in tailoring techniques by the famous Huntsman tailors on Savile Row, previously seen in the Kingsman series. You can catch a glimpse of their iconic house tweed momentarily in the film.
This is the second movie that Zoey Deutch and Dylan O'Brien have worked on, the first being Not Okay (2022).
Mable sends the O'Brien mob to 31st st. and Halsted st., where presumably, they will be killed by the LaFontaine mob. That location is the in the early 2000s became the site of the Deering (9th) District building of the Chicago police.