One Dark Night

Olivia's husband, initially skeptical of Dockstader's claims but gradually becomes a protective ally. He represents the practical response to the occult threat and helps rally other characters against the rising danger.

A high school student eager to join a club called The Sisters, whose jealousy-fueled plan leads her into the mausoleum. She endures the supernatural threat with resilience, becoming a focal point of the film's horror.

Raymar's estranged daughter who learns of her father's powers and embraces her own potential to confront him and rescue Julie. Her arc centers on family ties to the occult and stepping into leadership under pressure.

A writer for The World of the Occult who explains Raymar's history and demonstrates bioenergy to convince Olivia. He serves as the catalyst linking occult science with the protagonists' actions.

Julie's boyfriend's ally who searches for her after she vanishes and fights against the encroaching undead forces.

One of The Sisters, a snobbish girl whose jealousy triggers Julie's peril and accelerates the night’s danger.

Another member of The Sisters who resists the plan and becomes entangled in the group's dynamics when danger arises.

A member of The Sisters who participates in the prank and carries the group’s influence into the perilous events at the mausoleum.

Famed Russian occultist whose psychokinetic powers are unleashed when awakened, turning corpses and the mausoleum into weapons of terror.