Jessica Henwick and Ashley Zukerman upgraded to Silo season 3 regulars

Ashley Zukerman and Jessica Henwick, known for their roles in Succession and The Royal Hotel respectively, have been confirmed as series regulars for Silo season 3, according to Variety. Zukerman will portray Daniel, a young and ambitious U.S. congressman, while Henwick will play Helen, a smart journalist based in Washington, D.C.

Both actors appeared as guests during season 2, and their expanded roles in season 3 are set to deepen the narrative’s exploration of the dystopian world, both inside and outside the eponymous silos.

Silo, created by Graham Yost, is based on Hugh Howey’s Silo trilogy (Wool, Shift, and Dust).

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Exploring in detail about Jessica Henwick and Ashley Zukerman's addition to Silo season 3

Jessica Henwick, who is known for her roles in projects such as The Royal Hotel, Iron Fist, and Glass Onion: A Knives Out Mystery, joins Silo season 3 as a series regular. Her character, Helen, an investigative journalist introduced in season 2 and based in Washington, D.C., is likely to play a key role in uncovering the truth behind the creation of the silos.

Image of Ashley Zuckerman (Image via Youtube/ Peacock)

Ashley Zukerman, recognized for his performances in Succession and the Fear Street trilogy, will portray Daniel, a young congressman from the pre-silo era. Zukerman’s character was introduced in season 2, providing context about the world before the silos were built.

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More details of Silo season 3 cast explored

Rebecca Ferguson as Juliette Nichols leads the series as an engineer-turned-investigator, seeking to uncover the mysteries of the silo. Her journey reveals hidden truths about the community’s past.

Common plays Robert Sims who serves as the head of security for Judicial, the governing body maintaining order within the silo. His character is central to enforcing the laws of the Pact and navigating the power dynamics within the silo.

Harriet Walter plays Martha Walker, an engineer and mentor to Juliette. Tim Robbins as Bernard Holland, the head of the IT department, holds significant knowledge about the silo’s operation.

David Oyelowo and Rashida Jones play the couple, Holston and Allison Becker, whose tragic storyline in season 1 sets the stage for the series’s broader exploration of forbidden truths and the dangers of questioning authority.

Chinaza Uche plays Paul Billings, the new deputy in the silo who grapples with his allegiance to the judicial system and his moral compass. Steve Zahn plays Jimmy Conroy. Also known as Solo, Conroy is the only survivor of the rebellion in Silo 17, a storyline explored in season 2.

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What is Silo season 3 about?

Set in a post-apocalyptic world, Silo centers on the lives of 10,000 people living in a massive underground structure that stretches 144 stories into the earth. The silo is believed to protect its residents from a toxic and uninhabitable world above, but the origins of the structure and the reasons behind its existence are shrouded in mystery.

Strict rules govern life in the silo, and questioning the authority often leads to fatal consequences.

At the heart of the story is Juliette Nichols, an engineer who inadvertently becomes a detective after the suspicious death of a loved one. Her quest for answers unravels layers of lies and conspiracies, challenging the very foundations of her world.

Based on the Silo novel series by Hugh Howey, Silo explores themes of power, control, and humanity’s resilience in the face of adversity. Season 1 of the show premiered in May 2023, and season 2 released in November 2024.

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Silo season 3 has no official release date as of yet. Interested viewers can watch season 1 and season 2 on Apple TV+.