The host of a popular paranormal podcast becomes haunted by terrifying recordings mysteriously sent her way.
Is undertone on Netflix? Unfortunately the movie undertone is not yet available on Netflix.
| Directing | Ian Tuason | Director |
| Writing | Ian Tuason | Writer |
| Production | Dan Slater | Producer |
| Production | Cody Calahan | Producer |
| Production | Chad Archibald | Executive Producer |
| Production | Daril Fannin | Executive Producer |
| Production | Brit MacRae | Executive Producer |
| Production | Anthony Eu | Executive Producer |
| Production | Douglas Lee | Executive Producer |
| Production | Al Akdari | Executive Producer |
| Production | Charles Bern | Executive Producer |
| Production | Mathew Sterling | Executive Producer |
| Production | David Sproat | Executive Producer |
| Production | Rod Hafezi | Associate Producer |
| Camera | Graham Beasley | Director of Photography |
| Editing | Sonny Atkins | Editor |
| Production | Ian Bender | Casting |
| Art | Mercedes Coyle | Production Design |
| Costume & Make-Up | Kayla Craig | Costume Design |
| Costume & Make-Up | Natalia Andrea Pozo | Key Makeup Artist |
| Sound | Dane Kelly | Sound Mixer |
| Production | Michael James Regan | Line Producer |
| Production | Melodie Austria | Executive Producer |
| Production | Graham Beasley | Co-Producer |
| Sound | Shanika Lewis-Waddell | Original Music Composer |
| Sound | David Gertsman | Sound Designer |
| Sound | Jon Lawless | Sound Re-Recording Mixer |
| Camera | Dustin Rabin | Still Photographer |
| Production | Roy Lee | Executive Producer |
| Production | Steven Schneider | Executive Producer |
| Production | Ben Ross | Executive Producer |
| Sound | Steph Copeland | Sound Designer |
| Visual Effects | Brian Hamilton | Visual Effects |
| Lighting | Lucas MacKay | Gaffer |
| Camera | Gio Lucero | First Assistant Camera |
| Production | Martin Ortega | Location Manager |
| Sound | Dillon Baldassero | Music Supervisor |
| Crew | Martin Ortega | Transportation Coordinator |
| Editing | Aj McLauchlin | Colorist |
| Crew | Daniel L. Goldenberg | Legal Services |
| Production | Ian Tuason | Executive Producer |
| Production | Thomas W. Choong | Executive Producer |
| Production | Stuart Manashil | Executive Producer |
| Production | Luke Maxwell | Executive Producer |
| Production | Will Rowbotham | Executive Producer |
| Production | Sara Taylor | Associate Producer |
| Production | Ashley Hallihan | Casting |
| Art | Hayley Greenough | Set Decoration |
| Sound | Diana Bahirian | ADR Recordist |
| Sound | Thomas Brodeur | Dialogue Editor |
| Sound | Thomas Brodeur | ADR Editor |
| Sound | Jonathan Gomez | ADR Mixer |
| Sound | Levi Linton | Boom Operator |
| Sound | Diego Marcone | Foley Artist |
| Sound | Martín Scaglia | Foley Editor |
| Sound | Lautaro Zamaro | Foley Recordist |
| Visual Effects | V. Sai Sampath | Visual Effects Producer |
| Visual Effects | Richard Servello | VFX Artist |
| Camera | Michael Cao | Grip |
| Camera | Vats Bhargav | Second Assistant "A" Camera |
| Camera | Fabian Cardona | Second Assistant "A" Camera |
| Camera | Andrew Ventura | Additional Photography |
| Camera | Jack Wiktor | Second Assistant "A" Camera |
| Camera | Jack Wiktor | Digital Imaging Technician |
| Production | Nancy Nayor | Casting |
| Production | Jasmine Gutierrez | Casting Associate |
| Costume & Make-Up | Maryam Mohammed | Assistant Costume Designer |
| Editing | Adam Gagnon | Online Editor |
| Art | Daniella Pluchino | Props |
