Deep Inside Silo: Your Guide to Who’s Who in Apple TV+’s Dystopian Drama

MAYOR JAHNS and DEPUTY MARNES, played by Geraldine James and Will Patton

Mayor Jahns is the genial leader of Silo society, though the division known as Judicial does what it can to keep her in check. Jahns’ many duties include overseeing the forced exodus of any resident who voices their wish to “go outside.” In the early episodes, the Mayor makes a choice that is deemed quite controversial by Judicial, setting in motion a power struggle.

Deputy Marnes dutifully serves Sheriff Holston — and in the series’ jarring cold open, which is bit of a flash-forward, Marnes can only look on, helpless, as Holston inexplicably does the unthinkable.

HOLSTON, played by David Oyelowo

Sheriff Holston is the senior lawman, with several deputies from a variety of Silo levels serving under him. Holston is forced to contend with different conflicts when his wife Allison starts to question well-established Silo tenets, and also when Juliette from engineering leans on him to treat a suspicious death like the murder it (probably) is.

ALLISON, played by Rashida Jones

The good news: As the series opens, Allison and her husband, Sheriff Holston, learn that they have been approved to (again) try to conceive a child! That’s a big deal in a confined society that demands strict population control.

The bad news? Allison’s work in the Silo’s IT department draws her into a mystery that threatens to expose a secret, puts her at odds with her lawman husband, and ultimately leads her to make a very difficult choice.

BERNARD, played by Tim Robbins

The head of the IT department, Bernard locks horns early on with Allison, over a seemingly benign memo she sent out. Over the course of the early episodes, Bernard will acquire more power and, as such, draw interest from Judicial.

JULIETTE, played by Rebecca Ferguson

We first lay eyes on Juliette as she makes a dangerous move in order to repair the Silo’s generator, which is located within the dreary, lower-most levels. When someone she knows turns up dead, Juliette will lean on Sheriff Holston to get at the truth, no matter the cost — as well as get roped into some detective work of her own.

MARTHA, played by Harriet Walter

Martha, who resides in the lower-most levels, is a whiz at repairing things — even the occasional illegal “artifact” (meaning, anything that was created before the Silo and should not have been brought inside). She is also a trusted confidante for Juliette, who at young age turned to Martha for guidance.

DR. NICHOLS, played by Iain Glen

As an esteemed physician within the Silo, Dr. Nichols gets to live in the mid-upper levels. So… why does his grown daughter Juliette live in the spartan lower-most levels? And why have father and daughter barely communicated in many years?

SIMS, played by Common

Sims is in charge of security for the mysterious Judicial division, and in that role he seems to take great interest in everything that everyone is doing. When a deputy position opens up, Sims will do what he can to advance Judicial’s wish to have department member Paul Billings land the job.

BILLINGS, played by Chinaza Uche

Paul Billings is a part of the Judicial department, and works alongside security chief Sims.

LUKAS, played by Avi Nash

Lukas is an IT department employee who captures Juliette’s attention by pointing out to her how what appear to be “lights” in the outside sky seem to move, and form shapes. (Here’s where you need to know that all library materials were reportedly destroyed in the long-ago rebellion that predated — and ultimately necessitated — the Silo.)

WATCH THE TRAILER FOR SILO BELOW:

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