ट्रिविया

Netflix acquired the distribution rights for this film from Paramount, when the studio reportedly couldn't figure out how to market the film.

Tannis root was originally made up by author Ira Levin for the novel "Rosemary's Baby".

Dr. Horn's former patients are named after characters in horror films: Perry Hobbes after Detective Hobbes in मौत की पहेली (1998), Agnes Thorne after Damien Thorn in ओमेन (1976) and Lucius Woodhouse after Rosemary Woodhouse in Rosemary's Baby (1968).

Lead actor Charlie Shotwell was 10 years old when this film was shot from late January to March 2018.

Included in the 2015 Blacklist for top unproduced screenplays.