Watch Undir Ísnum for Free in 123Movies
Undir Ísnum (2026) – Official Trailer, Cast & Details
Undir Ísnum at a Glance
Undir Ísnum is a 2026 action, science fiction and adventure film directed by Kristján Sturla Bjarnason, with a cast led by Helgi Trausti Stefánsson, Maron Birnir Reynisson and Kristján Ómarsson Saenz. It is 1 hour 25 minutes long and was released on March 12, 2026.
Watch the official Undir Ísnum trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Storyline & Synopsis
A group of con artists infiltrate a secret operation to recover a valuable diamond hidden in an abandoned Soviet mine in Antarctica, only to discover the mission is far more dangerous than they anticipated.
Where “Undir Ísnum” Fits in the 123Movies Catalog
Frequently Asked Questions About Undir Ísnum
When was Undir Ísnum released?
Undir Ísnum was released on March 12, 2026.
What is the runtime of Undir Ísnum?
Undir Ísnum has a runtime of 1 hour 25 minutes (85 minutes).
Who stars in Undir Ísnum?
Undir Ísnum stars Helgi Trausti Stefánsson as Alex, Maron Birnir Reynisson as Aron, Kristján Ómarsson Saenz as Tommi and Ívar Páll Arnarsson as Robbi. The cast also includes Tryggvi Þór Torfason, Egill Airi Daníelsson, Theodór Gísli Sigurgeirsson and Stefán Logi Hermannsson.
Who directed Undir Ísnum?
Undir Ísnum was directed by Kristján Sturla Bjarnason. The screenplay is credited to Kristján Sturla Bjarnason.
What genre is Undir Ísnum?
Undir Ísnum is listed on TMDB as a mix of action, science fiction and adventure.
Where can I watch the trailer for Undir Ísnum for free?
You can watch the trailer for Undir Ísnum, "Undir Ísnum - Trailer 2", for free on this 123Movies page. It is embedded from YouTube.
What movies are similar to Undir Ísnum?
Movies TMDB recommends alongside Undir Ísnum include Babylon 5: The Legend of the Rangers - To Live and Die in Starlight (2002), Timescape (1992), Halo: Nightfall (2014), Monsters of Man (2020) and Afterburn (2025).
Can I stream the full movie of Undir Ísnum 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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