Holterline (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Holterline is a 20-minute Greek short film about Angeliki, who is grieving her father when she receives an unusual chance to enter the unconscious for 24 hours while wearing a Holter heart monitor. Alexandra Ntelithrou writes and directs this Greek- and French-language production.

Holterline is a 2026 Greek short film centered on Angeliki, a woman devastated by the death of her beloved father. Its premise combines personal grief with an unusual speculative element: a 24-hour journey into the unconscious monitored by a Holter heart device.

Written and directed by Alexandra Ntelithrou, the film has a reported runtime of 20 minutes. Angeliki Papoulia and Aris Armaganidis lead the cast, with Greek and French listed as the spoken languages.

Holterline movie details

Story without spoilers

Following her father’s death, Angeliki is offered the chance to undertake an extraordinary 24-hour experience in the unconscious. The journey takes place while she wears a Holter heart monitor, linking the film’s exploration of grief and altered consciousness to a measurable medical device. The available synopsis does not disclose how the experience unfolds or what Angeliki discovers.

What to expect

The supplied premise points to a compact, concept-driven short that places mourning at the center of an unusual encounter with the unconscious. Its 20-minute runtime suggests a focused presentation rather than an expansive narrative. With no genre labels or additional plot details provided, the film is best approached as a brief Greek production built around grief, memory and a speculative medical premise.

Cast and creative team

Alexandra Ntelithrou is the film’s director and writer. The cast includes Angeliki Papoulia and Aris Armaganidis. No character names are provided for either performer in the supplied information.

• Angeliki Papoulia
• Aris Armaganidis

Release and production context

Holterline is listed as a 2026 release, with a release date of September 6, 2026. It is marked as released and has a runtime of 20 minutes. The film is associated with Greece and features Greek and French as its spoken languages. Production companies listed are Shampoo Films, ERT, Ekome and asterisk*.

Production companies: Shampoo Films, ERT, Ekome, asterisk*

Movies Dock view

With its short runtime and distinctive premise, Holterline frames bereavement through an unusual journey into the unconscious. The available details establish Angeliki’s loss and the conditions of that journey while leaving the film’s deeper developments for viewers to discover.

Film data:
TMDB · IMDb