undertone — Characters & Cast

To fulfill her caregiving duties to her mother while maintaining her sanity through the podcast.

Begins as an emotionally guarded, analytical podcaster using rationalism to distance herself from her mother's mortality; gradually unravels as isolation, grief, and sonic phenomena dismantle her skepticism, forcing her to confront her deepest guilt.

To uncover compelling supernatural stories and build their podcast audience.

Acts as the charismatic, paranormal-obsessed podcast partner who pushes Evy deeper into the investigation from a safe transatlantic distance, unaware of the domestic nightmare unfolding in her house.

Passive; an embodiment of physical surrender and end-of-life decay.

Remains catatonic and mute in bed for nearly the entire runtime, serving as the physical manifestation of mortality, lingering maternal guilt, and an ambiguous conduit for household unease.

Initially seeking explanations for sleep-talking before turning desperate for survival.

An ordinary expecting couple whose domestic audio clips chart a progressive and horrifying descent into nocturnal disturbance, demonic vocalizations, and fatal violence.