Beacon 23

Lore & Background

The series follows Aster and Halan, two people whose fates become entangled after they find themselves trapped together at the end of the known universe. Aster mysteriously finds her way to a lonely beacon keeper on his lighthouse in the darkest recesses of space. A tense battle of wills unfolds as Halan begins to wonder if Aster is friend or foe, as her ability to disguise her agenda and motives could make her a formidable opponent. The cast includes Natasha Mumba, Wade Bogert-O'Brien, Stephen Root, Barbara Hershey, Eric Lange, Marc Menchaca, Jess Salgueiro, Daniel Malik, Marnie McPhail, Carolina Bartczak, Cyrus Faird, Tara Rosling, Sandrine Holt, A.J. Simmons, Sydney Meyer, Matilda Legault, and Ellen Wong.

Reader's Guide

Initial development of the series was announced in 2018. In March 2021, Lena Headey was named as the series lead, and in September 2021, Stephan James was named as the co-star. Prior to its initial broadcast, it was announced that the series would be picked up for a second season. It was also reported that season one and two would film back-to-back and that Glen Mazzara and Joy Blake would take over as co-showrunners after season one because of scheduling issues for Zak Penn. Principal photography was initially scheduled to begin in Toronto in 2021, but after a series of delays, it finally began on April 19, 2022. The pilot episode was directed by Daniel Percival. Production on the first season finished in November 2022, but the series stayed in production concurrent with the filming of the second season. On July 2, 2023, author Hugh Howey confirmed that two seasons had been filmed and were in post-production. The review aggregator website Rotten Tomatoes reported a 55% approval rating with an average rating of 5.5/10, based on 11 critic reviews. The website's critical consensus reads: 'Beacon 23 is full of clever world-building flourishes while light on character depth, making for an uneven saga full of invention but lacking in inspiration.' In September 2024, MGM+ cancelled the series after two seasons.

Did You Know?

• Beacon 23 is based on a series of short stories of the same name by Hugh Howey.
• The series was originally greenlit by Spectrum Originals and AMC Networks but premiered on MGM+.
• Season one and two were filmed back-to-back.
• The series was cancelled after two seasons in September 2024.

Premise & Narrative

Set in the 23rd century, Beacon 23 transports viewers to a remote lighthouse adrift in the vast emptiness of space. At its heart, the series follows two individuals—Aster and Halan—whose destinies collide when they become trapped together at the very edge of the known universe. Aster arrives at the lighthouse under mysterious circumstances, finding herself in the company of a solitary beacon keeper who tends his post in what can only be described as the darkest reaches of space. What unfolds is a tense psychological battle of wills: as Halan struggles to determine whether Aster is a friend or an adversary, her skill at concealing her true agenda and motives positions her as a potentially formidable opponent. The show, a science fiction psychological thriller, was created by Zak Penn and adapted from a collection of short stories by Hugh Howey. It is a co-production between Spectrum and Boat Rocker Media, and it first aired on the MGM+ streaming platform on November 12, 2023.

Production & Development

Beacon 23 endured a lengthy and often turbulent path from concept to screen. Initial development was announced back in 2018, but the project did not gain significant momentum until March 2021, when Lena Headey was confirmed as the series lead. Stephan James joined as co-star in September of that same year. Principal photography was originally slated to begin in Toronto in 2021, yet a series of delays pushed the actual start date to April 19, 2022. The pilot was directed by Daniel Percival, and first-season filming wrapped in November 2022. Notably, the production team filmed both seasons back-to-back, with the second season's shooting continuing concurrently after the first season wrapped. A mid-production change saw Glen Mazzara and Joy Blake step in as co-showrunners for season two, replacing creator Zak Penn due to scheduling conflicts. By July 2023, Hugh Howey himself confirmed that both seasons had been filmed and were in post-production. The second season premiered on April 7, 2024.

Cast & Ensemble

The series is anchored by two leads whose dynamic drives the entire narrative. Lena Headey portrays Aster Calyx, the enigmatic figure whose mysterious arrival sets the story in motion, while Stephan James plays Halan Kai Nelson, the lone beacon keeper whose trust is tested throughout. Beyond this central pairing, the ensemble includes a wide range of supporting characters: Natasha Mumba as Harmony, Wade Bogert-O'Brien as Bart, Stephen Root as Solomon, and Barbara Hershey as Sophie. Eric Lange takes on the dual role of Milan/Aleph, while Marc Menchaca appears as Keir and Jess Salgueiro as Saldana. Additional cast members include Daniel Malik as Finch, Marnie McPhail as Kanadey, Carolina Bartczak as Dr. Ree Avalon, Cyrus Faird as Tech Wrecker, Tara Rosling as Randall, and Sandrine Holt as Coley. The family of Parsim is represented by A.J. Simmons as Farut (the father), Sydney Meyer as Grisha (the mother), and Matilda Legault as Parsim herself, with Ellen Wong rounding out the ensemble as Iris.

Reception & Cancellation

Beacon 23 received a mixed critical response upon its release. On Rotten Tomatoes, the series earned a 55% approval rating with an average score of 5.5 out of 10, based on 11 critic reviews. The site's consensus summary captured the divide well, noting that the show is full of clever world-building flourishes while light on character depth, making for an uneven saga full of invention but lacking in inspiration. This assessment highlights the central tension in the series: its imaginative sci-fi setting and creative premises versus a perceived lack of emotional resonance in its characters. Despite the mixed reviews, the show did secure a second season, which premiered on April 7, 2024. However, the series' run was ultimately short-lived. In September 2024, MGM+ announced the cancellation of Beacon 23 after just two seasons, bringing the adaptation of Hugh Howey's short stories to a close without the extended narrative arc that the premise might have suggested.