The scene with Dorothy Fremont in her car was really a staged scare. She had no idea there was a ghost in the back waiting to get her.
George Hardy, Lew Temple, Allan Kayser, Dyanne Thorne, and Howard Maurer were all guests on Nightwatch Radio hosted by Todd Sheets. They all became good friends and decided to work together.
The buildings used in filming House of Forbidden Secrets all have reports of paranormal activity in them.
The last name of the character Jackson Kincade, was named after a Patrick Dempsey character.
Executive Producer Bryan David and Todd Sheets were introduced to each other by Lew Temple.