In a 2020 interview with Creepy Kingdom, Emma Tammi spoke about the film's influences: "Misery (1990) was a huge influence, and we were really trying to tip our hat in the most respectful way to that film throughout the shoot. But, also try to find some unique spins on that story. Rosemary's Baby (1968) was a huge influence, and there were a lot of other aesthetic influences.
I was talking to our cinematographer, Lyn Moncrief, about Ingmar Bergman's Persona (1966) from day one, and you know, all the way through to our color grade. I was really referencing Darren Aronofsky's Mother! (2017). So many different directors that we were looking to as influences, but I would definitely say Rosemary's Baby and Misery were our primary sources of inspiration."