Mysteries and secrets continue to shroud the Down Deepin Season 2 ofSilo. Based on theSilotrilogy of novels by Hugh Howey - “Wool”, “Shift”, and “Dust” -the hit sci-fi AppleTV+ seriesfollows the mile-deep fortress that serves as humanity’s last refuge. Outside, a toxic, deadly world waits, and inside, the truth is just as elusive as ever. While many have chosen to live life as per the Pact, some have chosen to dig for its hidden secrets - at their own risk.

Season 1 ofSilomainly follows former engineer Juliette Nichols (Rebecca Ferguson) as she finds herself in a complicated investigation, all while uncovering the truth behind her lover’s sudden death. But what begins as a personal endeavorsnowballs into a shocking revelation about the place she calls home. The truth might be deadly, but it’s definitely irresistible. With Season 2 ofSilofinally here, check out the cast and character guide below.

Rebecca Ferguson in Silo Season 2 Episode 1 sitting and looking around a corner

‘Silo’ Season 2 Review: Rebecca Ferguson’s Sci-Fi Drama Is Still One of Apple TV+’s Best

The stakes have never been higher!

Rebecca Ferguson

Juliette Nichols

Rebecca Fergusonstars as Juliette Nichols, an engineer in the Silo. Sharp-minded and strong, deep down Juliette shoulders the pain of her childhood trauma. Now living in the Down Deep of the Silo, Juliette has grown into a resilient engineer whose main responsibility is to keep the generator working. With her job entailing her in the lower levels of the Silo, the last thing she expects is to be appointed the new Sheriff. Before her role, Ferguson starred as MIG agent Ilsa Faust in three of theMission: Impossiblefilms. Currently, she’s starring alongsideCillian MurphyandBarry Keoghanin the upcomingPeaky Blindersmovie.

Tim Robbins

Bernard Holland

Tim Robbinsstars as Bernard Holland, the head of the IT Department for Silo. Due to the sensitive nature of his work, as well as all the data and tech he keeps,he’s very protective of his work. No one but himself is allowed to touch on anything his department is responsible for. In Season 1, Bernard throws a fit when someone else takes the initiative about recovering their deleted files and emphasizes that there is a specific way of doing IT-related things - things that only his department he claims is capable of carrying out. Robbins gained prominence for starring as Andy Dufresne inThe Shawshank Redemptionandearned an Academy Award and Golden Globe award for his performance inMystic River.

Robert Sims

Commonstars as the head of security for Judicial, one of the two law enforcement branches in charge of maintaining order in the Silo. Under Judge Meadow’s leadership, the Judicial is also responsible for ensuring that everyone follows the Pack and confiscating Relics - forbidden items from before the Rebellion that are considered dangerous to the Judicial. As a law enforcer, Robert can easily switch from being a charming resident to a threatening officer in a matter of seconds. Despite being Meadows’s subordinate, Robert has been proven to be more influential and powerful compared to the Judge. On top of his stellar rapping career, Common has previouslystarred as Agent Evans inNow You See Meand co-starred as 1960s civil rights movement leader James Bevel inSelma.

Harriet Walter

Martha Walker

Harriet Walterstars as Martha Walker, an electrical engineer stationed in the Down Deep. Her main responsibility is to tend to the electronics workshop at the Mechanical Level, which she stayed in for twenty-five years following her broken marriage. Outside of work, Martha serves as a surrogate parent to Juliette since she was a teenage mechanical apprentice. A celebrated figure in the TV and film industry, Dame Walter’s most recent performancesinclude her roles in the Emmy-winningSuccessionandTed Lasso.

Chinaza Uche

Paul Billings

Chinaza Uchestars as Chief Deputy Paul Billings, a former member of the Judicial branch and a law enforcement deputy. Before working in Judicial, Paul worked as a deputy in the Mids. Following his marriage, Paul decides to move back to the Sheriff’s Department so that he could have better hours. Before Juliette was appointed Sheriff, Billings was originally supposed to get the post under Meadows’ recommendation. Uche previously starred in the lead role in the filmNigerian Prince. He later went on to play a series-regular role as Henryin the comedy seriesDickinson.

Lukas Kyle

Avi Nashstars as Lukas Kyle, a staff worker in the IT department. With a high level of intelligence and charming looks that match, Lukas is also kind-hearted. In Season 1, Lukas can be found spending his nights in the Level 1 Cafeteria. It is here where he would have conversations with Juliette, commenting on her name and even sharing what he does during his job. Nash first made his feature film debut starring alongsideSir Ben KingsleyandPatricia ClarkinDrive. He alsostarred as Siddiq inThe Walking Dead.

Shane McRae

Shane McRaestars as Knox, the head of Mechanical in the Silo.Born and raised in the Down Deep, Knox has always been a hands-on person. Ever since he was a young boy, Knox has been active in the Mechanical department, in which Juliette was posted as his Shadow. Thanks to his knowledge, grit, and hard work, Knox rises through the ranks and becomes Head of Mechanical. As Head, his job is to ensure that everyone else does their job to make sure Silo stays alive. McRae previously starred as Taylor inSneaky Pete, followed by his role as Dickie Barrett inParadise Lost.

Remmie Milner

Shirley Campbell

Remmie Milnerstars as Shirley Campbell, a member working for the Mechanical department. Before she became an engineer in the Down Deep, she was part of the Salvage during her younger years. One of her previous jobs required her to scavenge for usable bits of technology that could be recycled and later on repaired for future use. Milner previously starred inDark Materials,A Christmas Carol, andSave Me.

Clare Perkins

Clare Perkinsstars as Carla, a worker in the Supply department, and Martha’s ex-wife. Carla finally reunites with Martha following Juliette’s arrest in Season 1. Perkins is best known for her role as Denise Boulter inFamily Affairsand Ava Hartman inEastEnders.

Billy Postlethwaite

Billy Postlethwaitestars as Deputy Hank, a member of the law enforcement. Stationed in the Sheriff’s Department, he’s mainly responsible for overseeing the engineering levels. When a troubled Juliette comes to Hank for help, he explains to her the complexity that comes with her unsanctioned relationship and the consequences she has to face should she choose to pursue her issues. Regardless, he helps Juliette whenever his jurisdiction allows it. Postlethwaite previously starred as Boris Stolyarchuk inChernobylandhad a minor role in the war drama1917.

Rick Gomez

Patrick Kennedy

Rick Gomezstars as Patrick Kennedy, a Maintenance worker with a dark, criminal past. Outside of his work, Patrick has been secretly dealing in forbidden Relics. Unfortunately, Patrick finds himself in a twisted situation with the deputy, which leads to an unwanted death in his personal life. Gomez is best known for starring as Radio Technician Fourth Grade George Luzin the war miniseriesBand of Brothers.

Caitlin Zoz

Kathleen Billings

Caitlin Zozstars as Kathleen Billings, the wife of Paul Billings. As her husband deals with the symptoms of the Syndrome, which could lead to a shutdown of the entire nervous system if untreated, Kathleen stays right by his side to keep him in control. However, his condition puts Paul’s career at Risk, leaving Kathleen always on edge in protecting his reputation. BeforeSilo, Zoz starred inHow to RobandCome Home.

Tanya Moodie

Judge Meadows

Tanya Moodiestars as Judge Meadows, the head of the Judicial branch. Following Sheriff Holston Becker’s departure as he is assigned to clean, Meadows is responsible for arranging a list of candidates and sending them to Mayor Ruth Jahns. It is Meadows who also favored candidate Paul Billings. Previously, Moodie starred inEmpire of Lighttogether withOlivia ColmanandColin Firth.

Dr. Pete Nichols

Iain Glenstars as Dr. Pete Nichols, a doctor and father of Juliette Nichols. A pediatrician by day, Pete got into trouble with the Judicial when he created a device that could save the very same condition his son had to suffer before his passing. However, such an invention is against the Pact. With his roots in theater, Glen has performed Shakespearean productions like “Hamlet” and “Henry V”.

Alexandria Riley

Camille Sims

Alexandria Rileystars as Camille Sims, a former Judicial Raider and IT worker. As a Raider, she served the force for a good twelve years before being re-assigned to the IT Department. As for her personal life, Camille is the wife of Robert Sims and the mother of Anthony Sims. Before having Anthony, Camille unfortunately went through a miscarriage, prompting her to seek professional help before getting another pregnancy. Riley previously starred inThe Pembrokeshire Murders,Torchwood: The Story Continues,andThe End of the F***ing World.

Steve Zahn

Steve Zahnis set to play an undisclosed role in Season 2 ofSilo. Although not much has been revealed about his character, it looks like he’s bound to change the way the Deep Down works as he crosses paths with Juliette. Zahn is best known for his performances as Cobi inMad Dogsand most notably Mark Mossbacher in Season 1 ofThe White Lotus.

SiloSeason 2 is now streaming on Apple TV+.

In a dystopian future, men and women reside in a vast underground silo governed by strict regulations, believed to shield them from the hazardous world above. The series delves into the complex social order within the silo and the mysteries surrounding their subterranean existence.

Watch on Apple TV+

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Common in Silo

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Chinaza Uche looks fearfully to his left in a darkened silo corridor