Actress Dixie Gers had to have her eyes closed for 5 1/2 hours on set.
All fog FX were used by Stephen McGill, Roman Jossart and Adam Freemans vapes.
The crew talked Cinematographer Roman Jossart to play the Chainsaw Man.
At one point in the film Actress Roni Jonah and Actor Adam Freeman are watching a movie. The movie is Cannibal Hookers in which they both acted in but never met. Cannibal Hookers also featured Actor Joe Casterline who plays Mary's father and Actor Ronnie George who plays the Chainsaw Man.
During Mary's dream sequence she wears a Blue ruffled robe. Originally Actress Roni Jonah was suppose to wear a pink robe that was more elaborate than the one worn in the film which was very expensive. The mail carrier lost the package and their was not enough time to have another sent.