"Lyvia Ricci" as a character is an Italian artist in the screenwriter's mind, because all the artwork shown in the film that is 'Lyvia's' was created by the screenwriter, who is of Italian descent. Once this characterization was established and the character of Lyvia developed, the director decided that, although she is beautifully portrayed by American actress Tara Nichol Caldwell, the one time she speaks in the film (in a flashback) she should be voiced by an actual Italian actress. Enter the award-winning Ilenia D'Avenia, (of La Luce Oltre la Gabbia) who needed to send in only one version of Lyvia's three lines in the film before the director was entranced by her portrayal of Lyvia.
Brit Zane and Lyvia's House director Niko Volonakis met while taking Cinema Production classes in San Francisco. When screenwriter Patricia V. Davis was looking for a Drag Diva to read a selection from one of her books for a literary event being held with Jan Wahl in the city's Castro district, Niko, who was filming the event, recalled that Brit, a gender-flexible person, was also a drag performer. He introduced the two, and they became good friends, remaining in contact even after Brit moved out of the area. Almost a decade later, Patricia wrote the role of Mike the Bartender with Brit in mind, having no idea if they would be available or even interested in taking the role. Brit said yes to both.
The number "6" appears in various forms throughout the film and provides a clue to the mystery.
At one point in the action, the lights in the electric wall sconces that flank Lyvia's portrait flicker like flame, in homage to the 1944 film, "Gaslight."
To play on the theme of "masks" and heighten the sensation that nothing the viewer sees, hears, or believes about the story can be trusted, one actor was cast to play more than one role, and one character is played by more than one actor.