Undertone

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Movie Info & Cast

Synopsis

A podcast host covering spooky content moves in to care for her dying mother. When sent recordings of a pregnant couple's paranormal encounters, she discovers their story parallels hers, each tape pushing her toward madness.

Cast

  • Nina Kiri
  • Adam DiMarco
  • Michèle Duquet
  • Keana Lyn Bastidas
  • Jeff Yung
  • Ryan Turner
  • Ari Millen
  • Marisol D'Andrea
  • Austin Tuason
  • Seled Calderon
Moviegoers are saying
This horror film about a podcast investigating scary audio clips has audiences completely split - some are genuinely terrified by its innovative sound design and backwards nursery rhymes concept, while others find it an overhyped 'nothingburger' that relies too heavily on audio scares over visual storytelling. The film's minimalist approach and ambiguous ending either leaves viewers on the edge of their seats or checking their phones, with many calling out the disappointing conclusion that feels incomplete.
Top Mentions
Heart-Pounding
Nightmare-Fuel
Audio-Horror
Mind-Bending
Slow-Burn
Polarizing
Summary generated from the text of Atom User reviews

Letterboxd User Reviews

2.9
138.3K
33.6K
33.0K
RATINGS 195 FANS
2.9

Queue Community Reviews

71%
Community 2,010
❤️ LOVE
18%
👍 LIKE
53%
😐 MEH
20%
👎 DISLIKE
9%
Top Reviews

Atom Users Reviews

3.1
16
26
28
9
21
POPULAR TAGS

Reviews

Metacritic

50
Mar 13, 2026

The movie generates a pleasing fog of suspense as it makes the audience pay attention to each new audio cue. Seeing the movie in a hushed theater is ideal; viewing it at home would almost certainly bring in distractions that would dilute the experience.

Metacritic review by Kyle Smith
Kyle Smith
Wall Street Journal
63
Mar 12, 2026

No, there’s not much to this thin plot and the monotonous visual limitations don’t deliver the claustrophobia you might expect to heighten the growing dread. But for horror that’s alarming in the most primal, aural and piloerection ways, Undertone hits enough right notes to recommend.

Metacritic review by Roger Moore
Roger Moore
Movie Nation
50
Mar 10, 2026

Effectively moody, but disjointed and over-reliant on played-out horror audio gags, Undertone sounds better in concept than it plays on screen.

Metacritic review by Tom Jorgensen
Tom Jorgensen
IGN