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The Unknown (2026) – Official Trailer, Cast & Details
The Unknown at a Glance
The Unknown is a 2026 fantasy, drama and mystery film directed by Arthur Harari, with a cast led by Léa Seydoux, Niels Schneider and Valérie Dréville. It is 2 hours 20 minutes long and came out on August 26, 2026. The Unknown holds an average TMDB user score of 5.9/10 from 14 votes.
Watch the official The Unknown trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
Photographer David Zimmerman rarely leaves home until friends bring him to a wild party. He becomes fixated on a mysterious woman and follows her. By dawn, his life transforms - he awakens in her body.
Where “The Unknown” Fits in the 123Movies Catalog
Léa Seydoux
Eva Helsinger / David Zimmerman
Niels Schneider
David Zimmerman / Malia
Valérie Dréville
Gabi Zimmerman
Lilith Grasmug
Malia
Radu Jude
Malia's Father
Shanti Masud
Alice
Jonathan Turnbull
Chris Caro
Victoire du Bois
Sophie Caro
Alexandre Hubert
Figurant
Guillermo Moncayo
Beto
Anne Rotger
Psychologue
Gilles Esposito
Homme de la rue
Frequently Asked Questions About The Unknown
What is the release date of The Unknown?
The Unknown was released on August 26, 2026.
How long is The Unknown?
The Unknown runs 2 hours 20 minutes (140 minutes).
Who is in the cast of The Unknown?
The Unknown stars Léa Seydoux as Eva Helsinger / David Zimmerman, Niels Schneider as David Zimmerman / Malia, Valérie Dréville as Gabi Zimmerman and Lilith Grasmug as Malia. The cast also includes Radu Jude, Shanti Masud, Jonathan Turnbull and Victoire du Bois.
Who directed The Unknown?
The Unknown was directed by Arthur Harari. The screenplay is credited to Arthur Harari, Vincent Poymiro and Lucas Harari.
What kind of movie is The Unknown?
The Unknown is listed on TMDB as a mix of fantasy, drama and mystery.
What is the TMDB score of The Unknown?
On TMDB it has an average user score of 5.9/10 from 14 votes.
Where can I watch the The Unknown trailer?
You can watch the official trailer for The Unknown, "Official Teaser Trailer [Subtitled]", for free on this 123Movies page. It is embedded from YouTube.
What should I watch if I liked The Unknown?
Movies TMDB recommends alongside The Unknown include Tom at the Farm (2014), Luckiest Girl Alive (2022), Stranger on the Third Floor (1940), Farewell, My Lovely (1975) and Enter the Void (2010).
Can I stream the full movie of The Unknown on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
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