CBS

Dale "Barbie“ Barbara
Character: Dale "Barbie“ Barbara
Actor: Mike Vogel
A handsome and enigmatic traveler, this Army veteran was just passing through Chester's Mill when the dome comes down. We'll learn that there is more to this "traveler“ than meets the eye. Barbie's friendship with journalist Julia Shumway threatens to shed light on his mysterious past, including the story of why he was ever in Chester's Mill in the first place.
Julia Shumway
Character: Julia Shumway
Actor: Rachelle Lefevre
The editor of the local newspaper, The Independent, Julia is an investigative reporter who moved to town recently with her husband, Peter Shumway, a doctor at the medical clinic. Aside from the strange descent of the dome on Chester's Mill, Julia must also cope with the disappearance of her husband.
"Big Jim“ Rennie
Character: "Big Jim“ Rennie
Actor: Dean Norris
Owner of the region's largest used car lot, Big Jim commands respect - or sometimes just buys it. He's the only elected official left under the dome, and his abiding love for Chester's Mill may be surpassed only by his desire for power.
Linda Esquivel
Character: Linda Esquivel
Actor: Natalie Martinez
With a soft smile but a hard edge, Linda is a young deputy working under the mentorship of Sheriff Duke Perkins. She is trapped under the dome while her fiancé, Rusty Denton, is on the other side. Linda may soon face immense responsibility as the community is rocked by the mysterious dome.
Angie McAlister
Character: Angie McAlister
Actor: Britt Robertson
Angie's one goal has always been to leave Chester's Mill forever, but in the meantime she's been biding her time working the lunch shift at Sweetbriar Rose and as a candy-striper at the local health clinic. But when the dome comes down, she finds herself trapped in a place she never imagined.
James "Junior“ Rennie
Character: James "Junior“ Rennie
Actor: Alexander Koch
Junior has spent his life growing up in the shadow of his father, Big Jim. Despite the scholarship he earned to play college football, he's willing to throw that all away to stay at home with his one real passion, Angie McAlister, his date to the junior prom. When Angie rejects him, a hidden side of Junior erupts, just as the dome comes crashing down around Chester's Mill.
Joe McAlister
Character: Joe McAlister
Actor: Colin Ford
A whip-smart, adventurous spirit, Joe becomes entranced by the dome when it descends upon Chester's Mill. With his truck-driver father and his mother both trapped on the other side of the wall, and his older sister, Angie, missing, we find that Joe may have a connection to the dome that he, and no one else, can quite explain.
Norrie Calvert-Hill
Character: Norrie Calvert-Hill
Actor: Mackenzie Lintz
16-year-old Norrie is en route to a tough-love camp with her parents when the dome comes down. She's a world away from her home in California, with a town of strangers, but like Joe, she may have a connection to the dome which will prove both intriguing and terrifying.
Alice Calvert
Character: Alice Calvert
Actor: Samantha Mathis
Norrie's parents are strong professionals who were en route to drop off their daughter at "camp.“ Alice's decision to stop for juice is the fateful turn that leaves her family trapped under the dome. Even as they realize that there is no way out of this strange town, they also discover that they already know the people of Chester's Mill better than they ever knew their neighbors in California
Carolyn Hill
Character: Carolyn Hill
Actor: Aisha Hinds
Norrie's parents are strong professionals who were en route to drop off their daughter at "camp.“ Alice's decision to stop for juice is the fateful turn that leaves her family trapped under the dome. Even as they realize that there is no way out of this strange town, they also discover that they already know the people of Chester's Mill better than they ever knew their neighbors in California.
Phil Bushey
Character: Phil Bushey
Actor: Nicholas Strong
Phil is the DJ at Chester's Mill's only independent rock station and finds himself in charge of the only radio station able to reach the town.
Dodee Weaver
Character: Dodee Weaver
Actor: Jolene Purdy
Dodee is Phil's brainy engineer, and possesses technical skills unmatched by anyone in the dome, which proves to be a great resource.
Rose Twitchell
Character: Rose Twitchell
Actor: Beth Broderick
In a small town, few people are more visible than the owner of the local diner. Chester's Mill has its formal Town Hall, and then there's Sweetbriar Rose - the real town hall. Rose keeps the biscuits hot and the coffee fresh, and knows the comings and the goings of the town better than most anyone.
Sheriff Duke Perkins
Character: Sheriff Duke Perkins
Actor: Jeff Fahey
Sheriff Perkins is the face of Chester's Mill - stoic, world-weary, unyielding - even if he had a hand in the town's dirty laundry. His mentorship of Linda will be felt for years to come in Chester's Mill, as she is forced to lift his mantle as the top cop under the dome.