Rose Glass originally wrote Maud with a more explicit backstory, but removed most of it in the final draft as she found it too similar to Carrie (1976), saying: "In early drafts, the character's backstory was quite different, she had this very extreme religious upbringing, went to Catholic school, all that stuff. But it just felt like a story I'd seen before, and it wasn't one I was particularly interested in retelling."

The cockroach is credited as Nancy and is presumably named after Nancy Spungen. "Bug Wrangler," Grace Dickinson had another one called Sid.

Featured in Amanda the Jedi Show: 'Faster than your First Time' Reviews (Joker, Jojo Rabbit, Lucy in the Sky and everything else) (2019)