As a promotional stunt, a theater in Montreal, Quebec, that was supposed to play Pokémon: Detetive Pikachu (2019) played this film instead, causing the children in the audience to run out crying.
Samantha is seen watching a classic Scooby-Doo, Cadê Você? (1969) cartoon. Linda Cardellini, who plays her mother Anna, played Velma in Scooby-Doo (2002) and Scooby-Doo 2: Monstros à Solta (2004).
Raymond Cruz's first top-billed role in a film after consistently playing minor roles in television and film.
The title of the film roughly translates to "The Curse of the Weeping Woman".