Under the Dome Season 3
The residents of Chester's Mill appear both inside and outside the Dome following their mysterious encounter in the tunnels beneath the town. As the Dome begins to reveal its ultimate agenda, the townspeople are forced to question what and whom they can trust as fresh threats appear, new residents emerge and surprising alliances form.
01. Move On
A year after the dome disappears, Barbie, Joe, and the other townspeople gather for a memorial. A year earlier, Julia and Junior try to rescue Barbie and the others, but run afoul of Big Jim.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Grace Victoria Cox
Melanie Cross
Marg Helgenberger
Christine Price
Ryan Shams
The Last Insurgent
Max Ehrich
Hunter May
Brian Stapf
Mercenary #1
Nicholas McNeil
Mercenary #2
Shelton Grant
Guard
Megan Glover
Zeta Sister
Andrew Kochman
Young Junior
Aisha Hinds
Carolyn Hill
Mackenzie Lintz
Norrie Calvert-Hill
John Elvis
Ben Drake
Adam Stein
Writer
Peter Leto
Director
02. But I'm Not
Barbie investigates Ben's claim that something strange is going on in Chester's Mill, but Eva surprises him with unexpected news. Meanwhile, Norrie and Hunter grow closer, and Christine advises Joe to move on.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Grace Victoria Cox
Melanie Cross
Brett Cullen
Don Barbara
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Ryan Shams
Groundskeeper
Shelton Grant
Guard
Eriq La Salle
Hektor Martin
Edward Gelhaus
Skinhead
Mike Whaley
Malick
Hailey Wist
Amy
Hailey Gutierrez
Gangster
Mackenzie Lintz
Norrie Calvert-Hill
John Elvis
Ben Drake
Tim Schlattmann
Writer
Peter Weller
Director
03. Redux
The residents of Chester’s Mill try to move on with their lives in the aftermath of their mysterious experience in the tunnels beneath town. Meanwhile, Big Jim suspects new residents Christine and Eva are keeping secrets concerning the Dome.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Grace Victoria Cox
Melanie Cross
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Shane Callahan
Roger Lopez
Bess Rous
Abby DeWitt
Mackenzie Lintz
Norrie Calvert-Hill
John Elvis
Ben Drake
Jack Champion
Aiden Tilden (uncredited)
Alexandra McNally
Writer
Olatunde Osunsanmi
Director
04. The Kinship
Under the guise of helping Chester’s Mill rebuild, Christine urges the townspeople towards specific individuals and projects that remind them of their experience in the tunnels. Also, Julia and Big Jim make shocking discoveries that reveal a new threat within the Dome.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Mike Whaley
Malick
Andrew J. West
Pete Blackwell
Frank Whaley
Marston
Matthew Warzel
Whistling Miller
Bess Rous
Abby DeWitt
Mackenzie Lintz
Norrie Calvert-Hill
Cathryn Humphris
Writer
Edward Ornelas
Director
05. Alaska
Big Jim and Julia form a tentative alliance to search for proof that will discredit Christine, which leads them to new information about the Dome’s capabilities. Meanwhile, when tensions run high in town and threaten Christine’s leadership, she puts a plan in play that has deadly consequences.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Max Ehrich
Hunter May
Andrew J. West
Pete Blackwell
Frank Whaley
Marston
Marg Helgenberger
Christina Price
Bess Rous
Abby DeWitt
Mackenzie Lintz
Norrie Calvert-Hill
Bronwyn Garrity
Writer
David Barrett
Director
06. Caged
When Big Jim is captured by Aktaion, the dangerous private corporation that’s descended on Chester’s Mill to harness the Dome’s energy capabilities, he’s forced to manipulate Christine for information about her agenda. Also, when Joe and Norrie question the town’s new rules, they find themselves in a dangerous face-off with the increasingly unstable residents.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Max Ehrich
Hunter May
Frank Whaley
Marston
Shane Callahan
Roger Lopez
Marg Helgenberger
Christina Price
Scott Parks
Guard
Aisha Hinds
Carolyn Hill
Mackenzie Lintz
Norrie Calvert-Hill
Tia Hendricks
Audrey Everett
Andres Fischer-Centeno
Writer
Sergio Mimica-Gezzan
Director
07. Ejecta
As the world outside the Dome is rocked by a catastrophic meteor shower, unexpected alliances form inside the barrier. Eva tries to indoctrinate Barbie deeper into The Kinship and Big Jim and Julia turn to one another while isolated on Bird Island outside of town. Also, Joe is forced to accept help from Sam, the man who killed his sister.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Max Ehrich
Hunter May
Gia Mantegna
Lily Walters (voice)
Mackenzie Lintz
Norrie Calvert-Hill
Tia Hendricks
Audrey Everett
Peter Calloway
Writer
David Barrett
Director
08. Breaking Point
Big Jim, Julia, Joe, Norrie and Hunter join together to form a resistance against Christine, who is mobilizing residents to work on a massive excavation project in the caves underneath the town. Also, Hunter uses his tech skills to contact the outside world.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Gia Mantegna
Lily Walters
Aisha Hinds
Carolyn Hill
Mackenzie Lintz
Norrie Calvert-Hill
09. Plan B
Big Jim and Julia devise plans to end Christine’s control over the town by initiating a life-or-death plot involving Barbie and Eva, while Joe and Norrie conduct research to better understand the Dome’s ultimate agenda. Meanwhile, Hunter finds more information about the true head of Aktaion, the nefarious private corporation that wants to harness the Dome’s energy.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Megan Ketch
Harriet Arnold
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Hannah Jelinovic
Charlotte Chastain
Vince Foster
Kyle Lee
Mackenzie Lintz
Norrie Calvert-Hill
10. Legacy
The Resistance, the citizens not under Christine’s control, join forces with an unexpected ally: Hektor Martin, the nefarious head of Aktaion. Despite Hektor revealing more about the Dome’s origins and helping to strike back at it, Big Jim and Julia still worry he will betray them. Meanwhile, Hunter receives encrypted files that give disturbing insights into the final effect the Dome will have on the infected townspeople.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Megan Ketch
Harriet Arnold
Max Ehrich
Hunter May
Eriq La Salle
Hektor Martin
Shane Callahan
Roger Lopez
Gia Mantegna
Lily Walters
Allie McCulloch
Dava Bloom
Paul McCrane
Patrick Walters
Roger Floyd
Beau Griffith
Hannah Jelinovic
Charlotte Chastain
Vince Foster
Kyle Lee
Mackenzie Lintz
Norrie Calvert-Hill
11. Love is a Battlefield
Members of The Resistance race to release their loved ones from Christine’s influence before she reaches her end game for the Dome. While Barbie risks everything in an attempt to free Eva from the Kinship, Big Jim and Julia are enlisted by Hektor, the head of Aktaion, to test a possible cure for infected townspeople. Also, Joe chooses to work with Christine after she shares some shocking information about the entity behind the Dome.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Eriq La Salle
Hektor Martin
Gia Mantegna
Lily Walters
Allie McCulloch
Dava Bloom
Roger Floyd
Beau Griffith
Vince Foster
Kyle Lee
Mackenzie Lintz
Norrie Calvert-Hill
12. Incandescence
When the Dome’s calcification process accelerates, Chester’s Mill has 24 hours before the barrier’s breakdown will suffocate everyone inside. While the new deadline puts added pressure on Joe to bring the Dome down, Barbie and Julia race to save his child from The Kinship. Also, Big Jim tries to manage the increasingly volatile Hektor, who is adamant that infected townspeople never escape the Dome.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Eriq La Salle
Hektor Martin
Gia Mantegna
Lily Walters
Allie McCulloch
Dava Bloom
Dan Chandler
Ronald
Anthony Reynolds
Miller Guard
Mackenzie Lintz
Norrie Calvert-Hill
13. The Enemy Within
Series Finale: As the Dome in Chester's Mill comes down, the Resistance makes a final attempt to protect the outside world from the infected townspeople in the Kinship and their new queen.
Mike Vogel
Dale "Barbie" Barbara
Rachelle Lefevre
Julia Shumway
Alexander Koch
Junior Rennie
Eddie Cahill
Sam Verdreaux
Colin Ford
Joe McAlister
Kylie Bunbury
Eva Sinclair
Dean Norris
James "Big Jim" Rennie
Marg Helgenberger
Christine Price
Max Ehrich
Hunter May
Shane Callahan
Roger Lopez
Gia Mantegna
Lily Walters
Vince Foster
Kyle Lee
Dann Florek
Colonel Walker
Macsen Lintz
Jason
Lee Spencer
Major Pracht
Jerri Tubbs
Motorist's Wife
Mackenzie Lintz
Norrie Calvert-Hill