POSSESSION: The Darkness Within (2026): Cast, Story and Release

Prepared by Movies Dock Editorial

POSSESSION: The Darkness Within follows a grieving painter whose disturbing visions bring him face to face with a sinister figure. As the boundary between reality and illusion breaks down, his family turns to spiritual help, while a monk attempts to protect both his mind and soul.

POSSESSION: The Darkness Within is a Greek mystery thriller centered on grief, disturbing visions and a struggle that reaches beyond ordinary explanations. The film follows painter Odysseas Zervas as an ominous presence appears to reflect his deepest fears.

With his family searching for help and a monk racing against an unseen spiritual threat, the story places psychological uncertainty alongside religious conflict. Directed and written by Yiannis Stravolaimos, the film has a reported runtime of 2 hours and 50 minutes.

POSSESSION: The Darkness Within movie details

Story without spoilers

Odysseas Zervas is a grieving painter troubled by visions that increasingly disrupt his sense of reality. A sinister figure emerges from those experiences, mirroring the fears that haunt him and making it difficult to separate what is happening from what may be imagined.

As Odysseas’s condition worsens, his family seeks assistance. Monk Ioakim becomes involved in an urgent attempt to save him from a spiritual force that threatens more than his sanity, placing his soul at the center of the conflict. The supplied premise also identifies Bishop Ierotheos, Father Anastasios and several other figures connected to the story.

What to expect

The film’s mystery, action and thriller classification points to a story combining psychological uncertainty with supernatural or spiritual danger. Its premise emphasizes visions, a threatening double or mirror figure, family intervention and a religious effort to resist an unseen force.

The extended 2-hour-and-50-minute runtime suggests a substantial presentation for a genre film, though the supplied information does not establish its pacing, visual approach, scares or ending. The Greek-language setting and religiously focused premise provide the clearest context for its atmosphere and central conflict.

Cast and creative team

Kostis Savvidakis plays Odysseas Zervas, the grieving painter at the center of the story. Vyron Kolasis is Bishop Ierotheos, while Konstantinos Konstantopoulos portrays Monk Ioakim. Christina Sotiriou plays Elpida, and Jennie Lattou is credited as Temptation.

The cast also includes Theo Theodoridis, Stratis Panourios as Father Anastasios, Aliki Zaharopoulou as Evangelia, Afroditi Antonaki as Doctor Evangelia, Petros Triandafyllopoulos as Angel and additional performers. Yiannis Stravolaimos is credited as both director and writer.

• Kostis Savvidakis as Odysseas Zervas
• Vyron Kolasis as Bishop Ierotheos
• Konstantinos Konstantopoulos as Monk Ioakim
• Christina Sotiriou as Elpida
• Jennie Lattou as Temptation
• Theo Theodoridis
• Stratis Panourios as Father Anastasios
• Aliki Zaharopoulou as Evangelia
• Afroditi Antonaki as Doctor Evangelia
• Petros Triandafyllopoulos as Angel

Release and production context

POSSESSION: The Darkness Within is listed as a 2026 production from Greece, with a release date of September 24, 2026. Its original title is Κατοχή, and its spoken language is Greek. The film has a reported runtime of 2 hours and 50 minutes and is produced by Y.S. Pictures. Its listed genres are Mystery, Action and Thriller.

Production companies: Y.S. Pictures

Movies Dock view

POSSESSION: The Darkness Within is built around a troubled artist, an increasingly unstable reality and a spiritual intervention led by a monk. For viewers considering the film, its defining elements are the Greek setting, religious conflict and extended runtime; details about its execution and conclusion are not provided in the supplied information.

Film data:
TMDB · IMDb