Last Sentinel poster

Last Sentinel

Movie 2023 5.4 /10
Directed by Tanel Toom

Set in a future where war has split the world into hostile continents, Last Sentinel follows four exhausted soldiers stationed at a lone outpost called Sentinel, set on an ocean boundary between enemies. Their scheduled relief never arrives, and routine shifts into an open-ended isolation that... Read more

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Streaming availability last verified: January 19, 2026

About Last Sentinel

Set in a future where war has split the world into hostile continents, Last Sentinel follows four exhausted soldiers stationed at a lone outpost called Sentinel, set on an ocean boundary between enemies. Their scheduled relief never arrives, and routine shifts into an open-ended isolation that frays nerves and judgment. Cut off from reliable supply lines and clear orders, small mistakes grow into major crises, and suspicion circulates among the crew. As days stretch into months, loyalties shift and buried tensions surface, turning routine maintenance and watch shifts into tests of endurance, leadership, and the limits of trust.

Last Sentinel was released in 2023, directed by Tanel Toom and created by Malachi Smyth. The cast includes Kate Bosworth, Lucien Laviscount, Martin McCann, Thomas Kretschmann, and Ben Pullen.

The film had a limited theatrical run and a relatively low profile commercially, gaining most of its viewers through festival screenings and streaming platforms, with no widely reported blockbuster grosses.

While it didn't break into mainstream pop culture, Last Sentinel carved out a niche among fans of claustrophobic military sci-fi, prompting online discussion about its tense atmosphere and Kate Bosworth's central turn, especially in scenes that emphasize the crew's isolation.

Critical reaction was mixed, reflected in middling audience scores. Many reviewers praised the film's mood and performances but critiqued its pacing and reliance on familiar genre tropes. The story centers on paranoia, the strain of extended duty, and how close quarters and uncertainty can erode command structures and personal bonds, making the movie feel like an intimate study of how stress reshapes behavior under pressure.

Details

Release Date
March 17, 2023
User Ratings
212 votes
Type
Movie
Genres
Science Fiction, Thriller

Official Trailer

Cast

Kate Bosworth

Kate Bosworth

Cassidy

Lucien Laviscount

Lucien Laviscount

Sullivan

Martin McCann

Martin McCann

Baines

Thomas Kretschmann

Thomas Kretschmann

Hendrichs

Ben Pullen

Ben Pullen

Marine Sergeant

Karin Tammaru

Karin Tammaru

Marine Corporal

Jan Erik Ehrenberg

Jan Erik Ehrenberg

Marine 1

Monika Tuvi

Monika Tuvi

Marine 2

Director: Tanel Toom

Written by: Malachi Smyth

Frequently Asked Questions

Last Sentinel is available to stream on Amazon Prime Video. You can also rent or buy it on Apple iTunes, Google Play, Vudu, and Amazon Video.

Yes, Last Sentinel is available to stream on Amazon Prime Video.

Yes, you can rent on Apple iTunes, Google Play, Vudu, and Amazon Video or buy on Apple iTunes, Google Play, Vudu, and Amazon Video.

With a rating of 5.4/10 from 212 viewers, Last Sentinel is a mixed bag - check out reviews to see if it's right for you.

Set in a future where war has split the world into hostile continents, Last Sentinel follows four exhausted soldiers stationed at a lone outpost called Sentinel, set on an ocean boundary between enemies. Their scheduled relief never arrives, and routine shifts into an open-ended isolation that fr...

Last Sentinel stars Kate Bosworth, Lucien Laviscount, Martin McCann, Thomas Kretschmann, and Ben Pullen.

Last Sentinel was directed by Tanel Toom.

Last Sentinel was released on March 17, 2023.

Last Sentinel is a Science Fiction and Thriller film.

The title refers to Sentinel, the remote military base in the middle of a vast ocean where four soldiers are stationed. It highlights that this outpost is a final watchpoint between two warring continents.

Kate Bosworth plays Cassidy, one of the four exhausted soldiers manning the Sentinel outpost. Her character is central to the film as the crew's relationships break down while their relief never arrives.

Lucien Laviscount plays Sullivan, a soldier stationed at the Sentinel base. He’s part of the small crew whose paranoia and tensions escalate as months pass without their scheduled relief.

Last Sentinel is a science fiction thriller that leans on isolation and growing paranoia rather than jump-scare horror, so it can be quite tense and unsettling. If you’re sensitive to claustrophobic, slow-building psychological tension, it may feel disturbing.