The purple Dodge Challenger that appears prominently in the film's third act is owned by filmmaker Dave McCary, the husband of Emma Stone.
Jerskin Fendrix, the films composer, makes a cameo appearance in the first story as the piano player at the hotel bar.
Emma Stone's fourth collaboration with Yorgos Lanthimos after The Favourite (2018), Bleat (2022) and Poor Things (2023).
Emma Stone's final character, Emily, a cult follower, shares the same first name with Stone, who had to change her name at the start of her career as someone else in the Screen Actors Guild went by Emily Stone. Stone has made it known that she prefers to be called by her given name.