Jane says the wedding is in the Hamptons, but several prominent signs (Keansburg Amusement Park, The Saint Asbury Park) shows that they're in New Jersey
The first joint car scene was filmed during two days. One from each point of view. The reason for it was that there was a hurricane and the background didn't fit.
John Gallagher Jr. is cast in "I.S.S.", that also is released in theaters on January 19, 2024.