Largely filmed in Salem, Oregon, where One Flew Over the Cuckoo's Nest (1975), another film about the institutional care of the mentally ill, was also filmed. Principle photography took place at the Fairview Training Center, a facility built in the early 1900s for the care of those with cognitive disabilities.
First edition of Nellie Blys' [Elizabeth Jane Cochran - May 5th 1864 - January 27th 1922] book "Ten Days in a Mad-House" had a publication date of 1887 with 96 pages under the genre of investigative journalism.
As of 2023, despite all principal cast members being signed under paid contract, the only actor to receive compensation for his work on the film was Christopher Lambert. The producers severely breached numerous contracts by releasing the film.
Brooke Kroegers' book Nellie Bly: Daredevil, Reporter, Feminist. was taken as a research tool and inspiration for the making of this film.
The painting showing underneath the PENDRAGON(TM) logo at the start of opening credits is titled La Belle Dame sans Merci [The Beautiful Lady Without Mercy] that depicts a 1893 painting by John William Waterhouse [1849 - 1917] of the poem about a [femme fatale] fairy who condemns a knight to an unpleasant fate after she seduces him with her eyes and singing; Waterhouses' inspiration here being the 15th-century poem by Alain Chartier [1385 - 1430] called La Belle Dame sans Mercy.