The Oracle

A new tenant who unravels the mystery surrounding the planchette and the murders. She begins skeptical but grows determined to stop the malevolent force, using the hand as a means to uncover truth while facing increasing danger.

Jennifer's husband, initially pragmatic and cautious. He becomes a casualty of the artifact's menace, underscoring the peril of underestimating the supernatural forces at work.

An elderly woman who uses an artificial hand with a quill as a planchette to contact the afterlife. Her disappearance and the enduring power of the hand set the haunting in motion, with Jennifer ultimately taking on a similar role at the end.

The property manager who handles the apartment. He becomes an early victim of the planchette's power, succumbing to imagined monsters and stabbing himself in a trance.

A mysterious antagonist who commits brutal killings and manipulates others through disguises and fear. She attempts to eliminate Jennifer and is implicated in the larger conspiracy surrounding Graham's murder.

The man found suffocated in his warehouse; his death is later revealed to be murder. His demise triggers the planchette's revelations and the unraveling of the case.

Widow of William Graham who is later revealed to be behind her husband's murder. She alternates between aiding Jennifer and remaining a key conspirator in the crime.

A guard who helps in the museum setting and becomes involved when the supernatural force leads Jennifer there for safety. He embodies a rational counterpoint to the occult threat.

The psychiatrist at the psychiatric institution who becomes a victim to the planchette's dark force. His death underscores the menace pursuing the protagonist.

A waitress who becomes the disguise for Farkas during an attempt to murder Jennifer, illustrating the planchette's ability to mislead and threaten.

A doctor involved in the hospital sequences, representing the medical world’s attempt to intervene but ultimately failing against the supernatural escalation.