The Severance season 1's climactic ending. It also features directorial work from actor Ben Stiller, in another departure from his more traditional comedic fare, and Aoife McArdle, highlighting its industry pedigree and credentials.

first trailer for Severance season 2 showing off Mark's return to the Lumon offices. There, Mark meets a cast of new characters as well as returning ones, setting up an epic continuation of the first season.

Adam Scott as Mark Scout

Date of Birth: April 3, 1973

• Active Since: 1994

Actor: Adam Scott is an American actor born in Santa Cruz. California. Scott's breakout role arguably came in 2008 with Step Brothers where he starred alongside John C. Reilly and Will Ferrell. Another major role for Scott included Parks and Recreation, with the actor portraying a central role in the sitcom's cast. Other big credits include roles in Big Little Lies and Ghosted in the realm of TV and Scott's first collaboration with Stiller, The Secret Life of Walter Mitty. On top of Severance, Scott also appeared in the Apple TV series Loot and voice acted in Netflix's series Inside Job​​​​​​.

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Character: In the Severance cast, Scott portrays Mark, the newly appointed head of the Macro Data Refinement team at Lumon. Mark is grieving the death of his wife and opts to undergo severance - which separates any work-related memories from his personal ones - to deal with the loss. This means that, when at home, he does not anything regarding his work or job title and, when at work, does not have any knowledge of his personal life. By the end of the first season, Mark realizes Lumon has hidden, ulterior motives, and tries to navigate the complex scenario of living two lives.

Britt Lower as Helly

Date of Birth: August 2, 1985

• Active Since: 2008

Actor: Britt Lower is an American actor born in Heyworth, Illinois. Lower does not have an abundance of feature film credits, but has had a lot of success in the realm of TV. Lower's breakout role came in the police procedural Unforgettable, leading Lower to be cast in the comedy series Man Seeking Woman. Other TV credits include Casual and Ghosted, the latter alongside Severance costar Adam Scott. She also appeared in singular episodes of popular shows like American Horror Stories and It's Always Sunny in Philadelphia.

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Character: Britt Lower portrays Helly in Severance's cast, Mark's new colleague in the severed department who refuses to comply with corporate procedure. When she discovers the split between her "outie" - outside the office - and "innie" - inside the office - personas, she seeks to merge the two and quit her role at Lumon. Her realization that she agreed to this separation further complicates matters. By the end of the first season, it is discovered that she is the daughter of Lumon Industries CEO Jame Eagan who underwent severance to gain public for the procedure.

John Turturro as Irving

Date of Birth: February 28, 1957

• Active Since: 1980

Actor: John Turturro is an American actor born in New York City. Turturro's breakout role came in 1987's Five Corners, leading to collaborations with filmmakers like the Coen Brothers, including Barton Fink, The Big Lebowski, and O Brother, Where Art Thou? Some bigger franchise appearances by Turturro include the Transformers film franchise and Matt Reeves' The Batman. Turturro's biggest TV credits include Mank, The Night Of, The Plot Against America, and, of course, Severance.

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Character: Unlike Mark and Helly, Irving is a senior staffer in Severance. As such, he is a stickler for the rules at Lumon Industries and prides himself on his knowledge of the Eagan family, Lumon's enigmatic founders. Irving risks his position at the company when he develops a more-than-platonic relationship with a colleague in Christopher Walken's Burt. However, by the end of the season, it turns out that Irv's outie is a military hero, and he has a trunk full of Lumon's shady business practices, making his by-the-books character even more intriguing.

Zach Cherry as Dylan

Date of Birth: November 1, 1987

• Active Since: 2015

Actor: Zach Cherry is an American actor born in Trenton, New Jersey, and has played bit parts in a variety of television shows and movies. Cherry's breakout role was arguably that of Ethan Russell in Netflix's You, though he has had small roles in huge blockbuster movies like Spider-Man: Homecoming and Shang-Chi and the Legend of the Ten Rings. In 2023, he played Jim in the Julia Louis-Dreyfus comedy movie, You Hurt My Feelings before starring in Amazon Prime Video's Fallout.

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Character: Zach Cherry plays Dylan in Severance, Mark's comic-relief coworker who is constantly theorizing as to what is happening to themselves outside Lumon Industries. Dylan spends his time wondering what his outie personality is like, as well as what the purpose of their work at Lumon is. When Helly s their department, his conspiracy theories increase, leading Dylan to take an active role in helping the innies figure out who they are on the outside.

Tramell Tillman as Milchick

Date of Birth: June 17, 1985

• Active Since: 2015

Actor: Tramell Tillman is an American actor born in Washington, District of Columbia. Tillman has a fairly small resume in the world of acting yet has featured in a few television shows like Godfather of Harlem and Dietland. Undoubtedly, Tillman's breakout role was Severance, a central part of the mysterious story. He also had a two-episode arc as Detective Sommers in the Prime Video series Hunters and will appear in Mission: Impossible 8 upon the film's release in 2025.

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Character: In the Severance cast, Tillman plays Milchick, a Lumon employee who oversees those who have received the severance surgery. Milchick is essentially the head of security inside Lumon, and he is responsible for rewarding or punishing Mark's team based on their performance. Milchick serves as a reminder of Lumon's control over its employees, at least during the working day, making his outie life all the more interesting.

Christopher Walken as Burt

Date of Birth: March 31, 1943

• Active Since: 1952

Actor: Christopher Walken is an American actor born in New York City. Walken is one of the more recognizable actors in Hollywood history, Early ing roles for Walken include films such as The Anderson Tapes, Next Stop, and Greenwich Village. Walken's breakout role came in 1978's The Deer Hunter, leading to an illustrious film career. Some of Walken's bigger movies include A View to Kill, King of New York, Batman Returns, True Romance, Catch Me If You Can, and Dune: Part Two.

Notable Movies & TV Shows:

Character: Walken plays Burt in Severance, the innie who strikes up a romantic relationship with Turturro's Irving. At the end of Severance season 1, Irving's outie finds Burt's outie, only to discover the latter is already in a relationship. This teases more troubles going forward, as the line between work and personal lives becomes more blurred.

Severance ing Cast & Characters

Severance's Cast Includes A Handful Of Other Important Actors

Patricia Arquette as Harmony Cobel: Harmony is Mark's mysterious and eccentric boss in the Severance cast, who may have a bigger role to play in the severed employees' outie lives. Patricia Arquette has amassed an impressive filmography over the years, first appearing as Freddy Krueger victim Kristen Parker in A Nightmare on Elm Street 3: Dream Warriors. Severance is her second collaboration with Stiller, as she played Tilly Mitchell in Escape at Dannemora. In 2023, she took on the lead role in the Apple TV series High Desert.

Yul Vazquez as Petey: Petey is a former Lumon employee and Mark's coworker whose position is taken over by Helly. Petey confronts outie Mark, who does not their work friendship due to his severance surgery, prompting Mark's investigation into Lumon. Actor Yul Vazquez has been in several streaming series, like The Outsider, Russian Doll, and Narcos: Mexico. In 2022, he took on a major role in Epix's Godfather of Harlem and one of the lead roles in HBO's White House Plumbers.

Dichen Lachman as Ms. Casey: Ms. Casey, portrayed by Dichen Lachman, is a Lumon employee who serves as a wellness counselor. However, the end-of-season twist reveals that Severance's Miss Casey is Mark's wife Gemma, who was previously believed dead. Lachman has held roles in Altered Carbon, Agents of S.H.I.E.L.D., and Raya and the Last Dragon. In 2022, she provided voice work for the Disney animated series Baymax! and played Soyona in Jurassic World Dominion.

Jen Tullock as Devon: Devon, played by Jen Tullock, is Mark's sister. Throughout the series, Devon is concerned about Mark's involvement with Lumon and is a vocal critic of the severance process. By the end of the series, Mark's innie makes with Devon and blurs the line between his work life and home life. Tullock has held roles in The Coop and Perry Mason both before and after being cast in Severance.

Michael Chernus as Ricken Hale: Chernus portrays Ricken, Mark's brother-in-law in the Severance cast. Like Devon, Ricken's wife, he also worries about Mark's decision to sever himself at Lumon. He has appeared in Orange is the New Black and Spider-Man: Homecoming. In 2023, he took on the role of Tom in the Prime Video miniseries remake of Dead Ringers.

Gwendoline Christie - TBA: ing the cast for Severance season 2 is British actor Gwendoline Christie. Given that much of the story of the show's continuation is being kept under wraps, little is known about Christie's role. Christie is known for playing Brienne of Tarth in Game of Thrones and Captain Phasma in the Star Wars sequel trilogy. Other roles include the Netflix fantasy shows The Sandman and Wednesday.

John Noble - TBA: Another cast member who is new for Severance season 2 is John Noble. Like Christie, it is unknown what role the Australian actor will be playing in the show's story. Noble is known for his roles as Denthor in Peter Jackson's The Lord of the Rings trilogy and Dr. Bishop in the TV show Fringe, as well as holding credits in Sleepy Hollow, Elementary, and The Boys.

Merritt Wever - TBA: Nurse Jackie, Godless, and Unbelievable actress Merritt Wever will also be appearing in Severance season 2 in an unknown role.

Ólafur Darri Ólafsson - TBA: Ólafur Darri Ólafsson has ed Severance season 2 in an undisclosed role, with him previously being credited in Lady Dynamite and The Secret Life of Walter Mitty.

Robby Benson - TBA: Robby Benson will also be appearing in Severance season 2 in an undisclosed role, with him having previously appeared in Disney's animated classic Beauty and the Beast.

Alia Shawkat - TBA: Another notable new addition for Severance season 2 is Alia Shawkat. Shawkat is an American actor who will play one of Lumon's new innies. Previous credits for Shawkat include Arrested Development and Search Party.

Stefano Carannante - TBA: Stefano Carannante is also ing Severance season 2 as one of Lumon's new innies, with him appearing in the trailer alongside Shawkat and Bob Balaban.

Bob Balaban - TBA: Bob Balaban has also ed the cast of Severance season 2, with the first trailer showing that the Parents and Gosford Park actor is playing another one of Lumon's new innies.