Ozzie the cat is based on Oscar, a therapy cat living in the Steere House Nursing and Rehabilitation Center in Providence, Rhode Island, U.S. since 2005. He shows up and sleeps next to patients who are in their last few hours of life, and is credited with "predicting" over 100 deaths. A cat in Stephen King's feature film, Doctor Sleep (2019) is based on the same cat.
The last film or television appearance of actress Fran Bennett, who sadly passed away before the film's release.
This film reunites Barbara Hershey and Bruce Davison for the first time since appearing in the feature film Last Summer (1969). That film was originally released as rated X for it's especially disturbing content.
Features two actors from the feature film, Insidious: The Last Key (2018). They are Bruce Davison and Barbara Hershey.
Two actors from the film also appeared in one of the 'A Nightmare On Elm Street' films. Actor Robert Rusler from A Nightmare on Elm Street 2: Freddy's Revenge (1985), and actress Fran Bennett from Wes Craven's New Nightmare (1994).