Mia Naipaul, who plays Kimmy, improvised many of her lines.
Inspired by Mean Girls, Psycho and Se7en.
Spike, the cat that lives at the location used for Clara's house, just made himself comfortable on set and became part of the film as "Fish."
The producers were able to procure many of the locations for free, such as the church and the pharmacy.
Due to needed pickup shots and the Covid-19 pandemic, editing on Fisher took almost 2 years.