Beacon 23 (TV) Cast
The cast of Beacon 23. Updated on October 7, 2025.
22 actors
Lena Headey
as Aster Calyx (9 episodes)

Lena Headey portrays the character Aster Calyx in Beacon 23. Aster is a [brief description of the character]. Headey is a talented British actress known for her roles in other popular shows and films.

Stephan James
as Halan Kai Nelson (9 episodes)

Stephan James brings the character Halan Kai Nelson to life in Beacon 23. Halan is a [brief description of the character]. James is a skilled Canadian actor who has appeared in various acclaimed projects.

Natasha Mumba
as Harmony (6 episodes)
Bo Martynowska
as Lilya Gashade (2 episodes)
Stephen Root
as Solomon Smythe (4 episodes)
Wade Bogert O'Brien
as Bart (voice) (7 episodes)
Paulino Nunes
as Timur 'Battle' Ondi (1 episode)
Marnie McPhail
as Dr. Rojan Kaneddy (1 episode)
Jaeden Noel
as Chick (1 episode)
Cyrus Faird
as Tech Wrecker (2 episodes)
Dani Klupsch
as Madanchi 'Bigface' Tritujuma (uncredited) (1 episode)
Sandrine Holt
as Coley (1 episode)
Barbara Hershey
as Sophie (2 episodes)
Carolina Bartczak
as Dr. Ree Avalon (2 episodes)
Marc Menchaca
as Keir (3 episodes)
Eric Lange
as Milan Aleph (2 episodes)
A.J. Simmons
as Farut (2 episodes)
Sydney Ozerov-Meyer
as Grisha (2 episodes)
Matilda Legault
as Parsim (3 episodes)
Christine Aziz
as ISA Secretary (1 episode)
Jess Salgueiro
as Saldana (2 episodes)
Daniel Malik
as Finch (2 episodes)
For the best insights and data about the TV show Beacon 23, visit our main Beacon 23 page.