Trivia: John Ostrander, who created the Suicide Squad team in the comics, has a cameo as the doctor who implants the brain bomb into Michael Rooker Savant.
Trivia: Director/Co-Writer Edgar Wright was partially inspired by his own obsession with the "Swinging Sixties" growing up, as he would listen to his parents tell him stories about the decade. However, he also always knew that the decade wasn't perfect by any means, and sought to make the film also a warning about the dangers of having too much nostalgia, stating: "In a way, the film is about romanticizing the past and why it's... wrong to do that."
Trivia: The driver of the hotel van service taking the guests to their secluded beach is none other than the director M. Night Shyamalan. He has a speaking role in this movie as well.
Trivia: The CGI is so primitive it is hard to believe this is not a pre-Jurassic Park (1993) movie.
Trivia: The first entry in the series not to be released in theaters. It was originally meant to be a theatrical release but due to complications from the COVID-19 pandemic, studio Blumhouse decided to release it as a Paramount+ original film in October 2021. It was subsequently given a Blu-Ray release one year later in October 2022, exclusively as part of a box set containing all seven films.