I’ve probably watched at least 15 movies from this year’s Fantasia’s Film Festival, and The Undertone just may be my favorite. Nina Kiri plays podcaster Evy, who self-medicates to deal with daily stresses, including caring for her ailing mother. Evy and her podcast partner listen to 10 audio files that follow the haunting/possession of Mike and Jessa. The film is a true auditory nightmare with a heck of a performance by Kiri. This feature has the creepiest sound design that I’ve heard in a long time, and the film draws inspiration from the likes of Paranormal Activity and The Exorcist.

As part of my festival coverage for HorrorBuzz, I interviewed the writer/director, Ian Tuason, and Kiri. You can read the full interview here. I also included some of it below. I also reviewed the film, which you can read here.

Can you talk a bit about the experience of shooting this film, since so much of it relies on the audio and sound design and Evy’s reactions to those factors? 

Nina Kiri: During the first week, we did most of the podcast stuff and the entire length that’s part of the podcast. We did it in chronological order, which was really helpful. She [Evy] slowly starts to descend and unravel, and it was helpful to do that in chronological order, to be honest. Once that was over and a lot of the dialogue was over, I felt more relaxed. I could live in the scenes more.

Michele came the second week. I think that was really nice for everyone. It brought a new energy that was so much more than what we expected. It didn’t really feel like acting on my own because the person playing Justin [Evy’s podcast co-host] wasn’t yet cast, but someone was on location, in a different room, speaking to me live for every take. It really didn’t feel like I shot the movie on my own and didn’t have any scene partners.

Regarding the audio recordings, I didn’t hear them until the day we shot the scenes. That created an organic response. I never felt alone in the parts where it’s just me, which is a lot of the movie.

Ian Tuason: I didn’t really direct Nina specifically about what to do when she’s listening or even speaking to Justin. She could be looking at anything.

Nina Kiri: It starts nonchalant, with the first audio file, but then it gets creepier and creepier. There’s a weight to it that felt more specific. Instead of just looking around, there’s a lot more concentration. She has to hear things correctly because she’s not sure what’s going on. I think keeping things small until it merits being bigger was a really good choice. I remember thinking that so much of this movie is listening. I don’t want to act while listening. I don’t want to try to make it interesting at all. I want to do what feels right. Then there are moments I realized, while watching it, where it becomes a bigger performance and it really pays off. There’s a lot of stillness, and I think there’s a lot of fear around stillness. But with everything else going on in the movie, it’s enough to be authentically listening.

Talk about the eerie narrative regarding the audio files and the characters of Jessa and Mike. Where did that idea come from, and Nina, what was your experience like hearing those audio files for the first time?

Ian Tuason: Three films creep me out. The Exorcist is number one. Number two is The Blair Witch Project, and number three is Paranormal Activity. Paranormal Activity is what the audio files are. It’s the couple in bed. They’re recording themselves asleep, and that scared me.

Undertone started off as a radio play, something that I was going to publish as a narrative podcast. Then, all of a sudden, life events happened, and I became the caregiver to my parents. I had this script written already for the podcast, and I thought it would be perfect to make into a film. Then, I added my first favorite film, The Exorcist, in between recordings of the podcast. I feel like I combined my two favorite horror genres, which are possession and found footage, except, in this case, it’s found audio, not found footage. That’s why I think people are going to get creeped out. I think everyone will be scared when they watch this movie.

Nina Kiri: It was basically kind of what I said before. It allowed me to have the experience. Because so much of it is me listening and because listening doesn’t have to involve movement or performance, hearing them for the first time felt like a genuine reaction and not put on in any way. It kind of took my brain away from having to think about being compelling or interesting. I was really listening, and they’re so good. Those recordings are incredible. I don’t think there’s much acting involved when you hear something that good. It always makes me feel better as an actor knowing that the director is trying to help me and support me by helping my performance be genuine.

Ian, can you address the film’s incorporation of folklore and the female demon Abyzou?

Ian Tuason: It’s based on an actual demon from the Book of Solomon. I did some research because I wanted to do the same thing that The Exorcist did regarding an ancient entity. When I was writing the story and needed to find a female demon, and one that threatens pregnant women, I found that one. I used it, and then weird stuff started happening in my house. But I saged my house, and it’s fine now.