Silo poster

In a ruined and toxic future, thousands live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.

2 Seasons
20 Episodes
Returning Series
Sci-Fi & Fantasy Drama
Cast & Characters
Outside
9.0/10 (9769 votes)

#1 Outside

S1:E10
Jun 29, 2023

Juliette's fate seems sealed when certain truths finally come to light.

Into the Fire
8.8/10 (6583 votes)

#2 Into the Fire

S2:E10
Jan 16, 2025

The rebels make their move—and so does Juliette.

The Safeguard
8.5/10 (5039 votes)

#3 The Safeguard

S2:E9
Jan 9, 2025

Billings' faith is shaken. Lukas heads to the down deep. Knox identifies the traitor. Juliette uncovers the truth about Solo's past.

The Getaway
8.4/10 (6301 votes)

#4 The Getaway

S1:E9
Jun 22, 2023

Racked with guilt, Billings sets off on a personal mission, only to discover a mind-blowing clue from Juliette.

Machines
8.3/10 (8192 votes)

#5 Machines

S1:E3
May 11, 2023

In her hunt for a new sheriff, Mayor Jahns clashes with Bernard. Juliette strikes a deal to keep the generator running.

Hanna
8.3/10 (6278 votes)

#6 Hanna

S1:E8
Jun 15, 2023

New information causes Juliette to see her family's past differently—and she finally gains access to the silo's biggest secrets.

Freedom Day
8.1/10 (8978 votes)

#7 Freedom Day

S1:E1
May 4, 2023

Sheriff Becker's plans for the future are thrown off course after his wife meets a hacker with information about the silo.

The Flamekeepers
8.1/10 (6327 votes)

#8 The Flamekeepers

S1:E7
Jun 8, 2023

Bernard seeks Juliette's cooperation as he grows increasingly concerned about the silo's security. Juliette asks her father for a favor.

Holston's Pick
8.0/10 (7860 votes)

#9 Holston's Pick

S1:E2
May 4, 2023

Juliette, an engineer, pieces together what might have led to a co-worker's mysterious death.

The Relic
7.5/10 (6140 votes)

#10 The Relic

S1:E6
Jun 1, 2023

During her investigation, Juliette uncovers disturbing secrets about someone she thought she knew.

The Engineer
7.5/10 (6422 votes)

#11 The Engineer

S2:E1
Nov 14, 2024

Juliette finds sanctuary in a silo long ago destroyed by war, thinking she's alone.

Solo
7.5/10 (4549 votes)

#12 Solo

S2:E3
Nov 26, 2024

Bernard turns to Judge Meadows for help. Billings begins to wonder if he's being lied to. Juliette finally meets the man in the vault.

The Harmonium
7.5/10 (4243 votes)

#13 The Harmonium

S2:E4
Dec 5, 2024

Juliette sets out on a dangerous quest to retrieve a suit so she can return home and save her silo. Mechanical plans a meeting with Judge Meadows.

The Dive
7.5/10 (3708 votes)

#14 The Dive

S2:E7
Dec 26, 2024

Lukas is assigned a mission. Mechanical sends a powerful message. Juliette embarks on a perilous descent—and confronts a new danger.

Truth
7.3/10 (6890 votes)

#15 Truth

S1:E4
May 18, 2023

Juliette tries gaining the trust of Deputy Marnes as they work to uncover the truth about recent tragedies.

The Janitor's Boy
7.3/10 (6326 votes)

#16 The Janitor's Boy

S1:E5
May 25, 2023

Sims appoints Billings as chief deputy to keep tabs on Juliette, whose efforts to solve two murders lead to a showdown.

Order
7.2/10 (4872 votes)

#17 Order

S2:E2
Nov 21, 2024

In Silo 18, shock and unrest take hold in the wake of Juliette doing what no one's done before.

Descent
7.1/10 (3831 votes)

#18 Descent

S2:E5
Dec 12, 2024

Sims finds himself with a new position. Juliette learns Solo isn't being honest. Bernard and Lukas make an important discovery.

Barricades
7.1/10 (3723 votes)

#19 Barricades

S2:E6
Dec 19, 2024

Bernard enacts a plan to root out Knox, Shirley, and Walker. Billings takes a stand. Solo saves Juliette's life and wants something in return.

The Book of Quinn
6.8/10 (4010 votes)

#20 The Book of Quinn

S2:E8
Jan 2, 2025

Juliette discovers something's happened to Solo. Bernard makes an offer to Walker. Lukas meets with Salvador Quinn's descendants.

Cast & Chracters

Juliette Nichols

Juliette Nichols

Actor: Rebecca Ferguson

Juliette Nichols is an engineer in the Silo, known for her resilience and determination. After the loss of her mother and brother at a young age, she became a resourceful individual, navigating the complexities of Silo life. Initially working on the generators in the lowest levels, Juliette is appointed as the new Sheriff, a role she reluctantly accepts. Her curiosity and drive for truth lead her to uncover hidden secrets within the Silo, challenging the established order. She embodies the 'Reluctant Hero' archetype, transitioning from a mechanic to a leader striving for justice.

Robert Sims

Robert Sims

Actor: Common

Robert Sims serves as the head of security for Judicial within the Silo. He represents law and order but also poses a threat to those who dare to question authority. His character raises important questions about justice and morality, as his actions often blur the line between upholding the law and oppression. Sims' presence adds layers of complexity to the narrative, making him both compelling and chilling.

Martha Walker

Martha Walker

Actor: Harriet Walter

Martha Walker is an electrical engineer who runs a workshop in the lower levels of the Silo. She acts as a parental figure to Juliette Nichols, providing guidance and support. Martha's expertise and wisdom make her a respected member of the community. Her relationship with Juliette is central to the story, as she encourages Juliette's pursuit of truth and justice within the Silo.

Paul Billings

Paul Billings

Actor: Chinaza Uche

Paul Billings is the newly assigned chief deputy and a former Judicial administrator. He is afflicted with the 'Syndrome,' a medical condition that causes tremors. Despite his condition, Paul is dedicated to his role and strives to maintain order within the Silo. His character adds depth to the narrative, highlighting the challenges faced by individuals with disabilities in positions of authority.

Lukas Kyle

Lukas Kyle

Actor: Avi Nash

Lukas Kyle is a systems analyst in the IT Department who is curious about the world outside the Silo. His inquisitive nature leads him to study the movement of the 'lights' in the sky, which are unknown to the Silo's residents. Lukas' relationship with Juliette becomes significant throughout the series, as they both seek to uncover the truth about their environment.

Patrick Kennedy

Patrick Kennedy

Actor: Rick Gomez

Patrick Kennedy is a maintenance worker and former smuggler of 'relics,' objects from the world before the Silo. His knowledge of these forbidden items makes him a valuable resource for those seeking information about the past. Patrick's character adds an element of intrigue to the story, as his actions challenge the strict regulations imposed within the Silo.

Bernard Holland

Bernard Holland

Actor: Tim Robbins

Bernard Holland is the head of the IT Department in the Silo and later becomes the interim mayor. He is a strategic manipulator, desiring control and demonstrating astute strategic acumen. Bernard's actions are driven by a desire to maintain order within the Silo, even if it means resorting to manipulative tactics. His character embodies the 'Ruler' archetype, with traces of the 'Trickster,' as he spins narratives to serve his own interests.

Knox

Knox

Actor: Shane McRae

Knox is the head of the Mechanical level in the Silo and Juliette's boss. He is a seasoned engineer who oversees the maintenance and operation of the Silo's critical systems. Knox's leadership and experience make him a respected figure within the Mechanical department. His interactions with Juliette highlight the challenges and responsibilities of maintaining the Silo's infrastructure.

Hank

Hank

Actor: Billy Postlethwaite

Hank is a deputy who works in the lower levels of the Silo. He is dedicated to his duties and plays a role in maintaining order within the community. Hank's character provides insight into the daily operations and challenges faced by law enforcement within the confined environment of the Silo.

Shirley

Shirley

Actor: Remmie Milner

Shirley Campbell is an engineer in Mechanical and Juliette's closest friend and colleague. She is known for her technical skills and unwavering support for Juliette. Shirley's character adds depth to the narrative, showcasing the importance of friendship and collaboration in the face of adversity.

Camille Sims

Camille Sims

Actor: Alexandria Riley

Camille Sims is Robert's wife, the mother of their son, and a former raider. Her past experiences and current role within the Silo add complexity to her character. Camille's relationships and actions provide insight into the personal lives of those enforcing the Silo's strict regulations.

Carla McLain

Carla McLain

Actor: Clare Perkins

Carla McLain is Walker's ex-wife and the head of the supply department. Her position makes her a key figure in the distribution of resources within the Silo. Carla's character highlights the challenges of managing limited supplies in a confined society and the personal dynamics that influence these responsibilities.

Solo

Solo

Actor: Steve Zahn

Solo, whose real name is Jimmy Conroy, is the only living survivor of the rebellion in Silo 17. He has lived in isolation for decades, guarding a mysterious vault. Solo's character introduces themes of survival, isolation, and the human spirit's resilience. His interactions with Juliette provide crucial information about the world outside Silo 18 and the existence of other Silos.

The highest rated episode of Silo is "Outside" (S1E10) with a rating of 9.00.

This episode received 9,769 votes.

It aired on June 29, 2023.


The lowest rated episode is "The Book of Quinn" (S2E8) with a rating of 6.80.

This episode received 4,010 votes.

It aired on January 2, 2025.

The highest rated episode is "Outside" (S1E10) with a rating of 9.00.

This episode received 9,769 votes.

It aired on June 29, 2023.


The lowest rated episode is "Truth" (S1E4) with a rating of 7.30.

This episode received 6,890 votes.

It aired on May 18, 2023.

The highest rated episode is "Into the Fire" (S2E10) with a rating of 8.80.

This episode received 6,583 votes.

It aired on January 16, 2025.


The lowest rated episode is "The Book of Quinn" (S2E8) with a rating of 6.80.

This episode received 4,010 votes.

It aired on January 2, 2025.

Name Department Job
Nicole Northridge Art Production Design
Charlotte Morris Costume & Make-Up Costume Design
Louise Coles Costume & Make-Up Makeup Designer
Sol Saihati Lighting Gaffer
Aric Avelino Production Co-Executive Producer
Ben Brafman Production Producer
Cami Patton Production Casting
Cassie Pappas Production Co-Executive Producer
Daniel Rauchwerger Production Co-Producer
Fred Golan Production Executive Producer
Graham Yost Production Executive Producer
Hugh Howey Production Executive Producer
Ingrid Escajeda Production Executive Producer
Jessica Blaire Production Co-Executive Producer
Joanna Thapa Production Executive Producer
Katherine DiSavino Production Producer
Michael Dinner Production Executive Producer
Morten Tyldum Production Executive Producer
Nina Jack Production Executive Producer
Rebecca Ferguson Production Executive Producer
Remi Aubuchon Production Executive Producer
Sal Calleros Production Co-Executive Producer
Suzanne M. Smith Production Casting
Atli Örvarsson Sound Original Music Composer
Jennifer Wessner Visual Effects Visual Effects Producer

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