‘The Undertone’ Trailer Warns You To Be Afraid Of The Silence

Ahead of its world premiere at the 2025 Fantasia International Film Festival, Slaterverse Pictures and Black Fawn Films have released the brand new trailer and theatrical poster for the highly anticipated horror film The Undertone. The film, which follows a podcast host taking care of her dying mother, marks the feature film debut of writer/director Ian Tuason and stars Nina Kiri (The Handmaid’s Tale, Michèle Duquet (The Virgin Suicides), and Kris Holden-Ried (The Umbrella Academy).
The Undertone follows the host of an ‘all-things-creepy’ podcast who moves into her dying mother’s house to become her primary caregiver. When her podcast is sent 10 strange audio recordings of a young pregnant couple experiencing paranormal noises, she realizes the woman’s story mirrors her own as each new recording scratches at her sanity, drawing her into a fate she cannot escape.
Watch the terrifying new trailer now:
“This film was born from the grief and love I carried for my mom in her final days,” explains Tuason. “To return home to Montreal, where I was born, and world premiere this film for Fantasia audiences—it feels like things have come full circle in the most magical way.”
“I think what makes this movie powerful, beyond its elements of horror, is the deep and vulnerable place it came from,” explains star Nina Kiri. “It takes a lot of courage to write something based on a painful and terrifying experience. Ian’s openness, combined with the entire crew’s receptivity, created not only an amazing experience for me, but also an important and compelling story.”
Dan Slater and Cody Calahan produced the film, with Chad Archibald, Daril Fannin, Brit MacRae, Anthony Eu, Douglas Lee, Al Akdari, Charles Bern, Matthew Sterling, David Sproat, and Ian Tuason executive producing. The production is a first-time collaboration between Black Fawn Films, Slaterverse, and Kino Studio.
The Undertone has its world premiere at Fantasia on July 27, 2025.

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