Severance Cast & Characters

Severance is a Apple TV Drama / Mystery / Sci-Fi & Fantasy series. RecapHub tracks 10 credited series regulars across 3 seasons and 19 episodes, led by Adam Scott as Mark Scout, Britt Lower as Helly Riggs, Tramell Tillman as Seth Milchick, Zach Cherry as Dylan George.

Mark leads a team of office workers whose memories have been surgically divided between their work and personal lives. When a mysterious colleague appears outside of work, it begins a journey to discover the truth about their jobs.

Severance first aired on Feb 17, 2022, and the most recent season covered here aired on Jan 16, 2025. Cast credits below are aggregated across all 3 seasons.

73 guest performers have appeared in Severance, and 28 of them return in more than one episode. The most frequently returning players include Sydney Cole Alexander as Natalie Kalen, Claudia Robinson as Felicia, Karen Aldridge as Asal Regabhi, Michael Cumpsty as Doug Graner, Michael Siberry as Jame Eagan, Ólafur Darri Ólafsson as Mr. Drummond.

How to use this page: this is the show-level cast index — it aggregates every season. For season-specific credits, see the individual season cast pages: Season 1 · Season 2 · Season 3.

In-depth guides to the main characters of Severance — backstory, season-by-season arc, and key relationships.

• Harmony Cobel
• Helly Riggs
• Mark Scout
• Burt Goodman
• Ms. Casey

These performers appear in more than one episode of Severance. Episode counts cover every season RecapHub currently has episode data for.

• Natalie Kalen — Sydney Cole Alexander · 7 episodes · Seasons 1-2
• Felicia — Claudia Robinson · 6 episodes · Seasons 1-2
• Asal Regabhi — Karen Aldridge · 6 episodes · Seasons 1-2
• Doug Graner — Michael Cumpsty · 6 episodes · Season 1
• Jame Eagan — Michael Siberry · 6 episodes · Seasons 1-2
• Mr. Drummond — Ólafur Darri Ólafsson · 6 episodes · Season 2
• Judd — Mark Kenneth Smaltz · 5 episodes · Seasons 1-2
• Patton — Donald Webber Jr. · 4 episodes · Seasons 1-2
• Rebeck — Grace Rex · 4 episodes · Seasons 1-2
• Gretchen George — Merritt Wever · 4 episodes · Season 2
• Ricken Hale — Michael Chernus · 4 episodes · Season 2
• Alexa — Nikki M. James · 4 episodes · Season 1
• Elizabeth — Rachel Addington · 4 episodes · Seasons 1-2
• Dr. Mauer — Robby Benson · 4 episodes · Season 2
• Peter 'Petey' Kilmer — Yul Vazquez · 4 episodes · Season 1
• Danise — Annie McNamara · 3 episodes · Season 1
• Florence — Anthoula Katsimatides · 3 episodes · Seasons 1-2
• Jim George — Blaze James Gorman · 3 episodes · Season 2
• Gwendolyn Y. — Alia Shawkat · 2 episodes · Season 2
• Mark Wilkins — Bob Balaban · 2 episodes · Season 2
• June Kilmer — Cassidy Layton · 2 episodes · Season 1
• Angelo Arteta — Ethan Flower · 2 episodes · Season 1
• Lorne — Gwendoline Christie · 2 episodes · Season 2
• Merrick George — Irish Knight Gorman · 2 episodes · Season 2
• Kier Eagan (voice) — Marc Geller · 2 episodes · Season 2
• Gabriela 'Gabby' Arteta — Nora Dale · 2 episodes · Season 1
• Cecily — Sandra Bernhard · 2 episodes · Season 2
• Dario Rossi — Stefano Carannante · 2 episodes · Season 2

Each season below links to its episode guide and its own season cast page. "New to the credits" lists performers who were not credited in any earlier season covered here.

• Season 1 (2022) — 9 episodes, 10 credited regulars: Adam Scott as Mark Scout, Britt Lower as Helly Riggs, Tramell Tillman as Seth Milchick, Zach Cherry as Dylan George, Jen Tullock as Devon Scout-Hale, Dichen Lachman as Ms. Casey, Sarah Bock as Eustice Huang, John Turturro as Irving Bailiff, Christopher Walken as Burt Goodman, Patricia Arquette as Harmony Cobel. New to the credits this season: Adam Scott as Mark Scout, Britt Lower as Helly Riggs, Tramell Tillman as Seth Milchick, Zach Cherry as Dylan George, Jen Tullock as Devon Scout-Hale, Dichen Lachman as Ms. Casey, Sarah Bock as Eustice Huang, John Turturro as Irving Bailiff. Season 1 cast page. Season 1 episodes.
• Season 2 (2025) — 10 episodes, 10 credited regulars: Adam Scott as Mark Scout, Britt Lower as Helly Riggs, Tramell Tillman as Seth Milchick, Zach Cherry as Dylan George, Jen Tullock as Devon Scout-Hale, Dichen Lachman as Ms. Casey, Sarah Bock as Eustice Huang, John Turturro as Irving Bailiff, Christopher Walken as Burt Goodman, Patricia Arquette as Harmony Cobel. Season 2 cast page. Season 2 episodes.
• Season 3 — 0 episodes, 10 credited regulars: Adam Scott as Mark Scout, Britt Lower as Helly Riggs, Tramell Tillman as Seth Milchick, Zach Cherry as Dylan George, Jen Tullock as Devon Scout-Hale, Dichen Lachman as Ms. Casey, Sarah Bock as Eustice Huang, John Turturro as Irving Bailiff, Christopher Walken as Burt Goodman, Patricia Arquette as Harmony Cobel. Season 3 cast page. Season 3 episodes.

Relationships below come from RecapHub character entities and link to the matching character profiles.

• Burt Goodman — ally: Irving Bailiff
• Devon Scout-Hale — family: Mark Scout (Brother)
• Dylan George — ally: Mark Scout
• Dylan George — rival: Eustice Huang
• Eustice Huang — ally: Harmony Cobel
• Eustice Huang — rival: Dylan George
• Harmony Cobel — ally: Seth Milchick
• Harmony Cobel — rival: Mark Scout
• Helly Riggs — ally: Mark Scout
• Helly Riggs — rival: Harmony Cobel
• Irving Bailiff — ally: Mark Scout
• Irving Bailiff — rival: Harmony Cobel
• Mark Scout — family: Devon Scout Hale (Sister)
• Mark Scout — ally: Helly Riggs
• Mark Scout — rival: Harmony Cobel

Severance has 75 character profiles with episode-level appearance data. The most-covered characters are listed first.

• Burt Goodman — 19 episodes · supporting · Seasons 1-2
• Devon Scout-Hale — 19 episodes · supporting · Seasons 1-2
• Dylan George — 19 episodes · supporting · Seasons 1-2
• Eustice Huang — 19 episodes · antagonist · Seasons 1-2
• Harmony Cobel — 19 episodes · antagonist · Seasons 1-2
• Helly Riggs — 19 episodes · deuteragonist · Seasons 1-2
• Irving Bailiff — 19 episodes · supporting · Seasons 1-2
• Mark Scout — 19 episodes · protagonist · Seasons 1-2
• Ms. Casey — 19 episodes · supporting · Seasons 1-2
• Seth Milchick — 19 episodes · antagonist · Seasons 1-2
• Natalie Kalen — 7 episodes · supporting · Seasons 1-2
• Asal Regabhi — 6 episodes · supporting · Seasons 1-2
• Doug Graner — 6 episodes · supporting · Season 1
• Felicia — 6 episodes · supporting · Seasons 1-2
• Jame Eagan — 6 episodes · supporting · Seasons 1-2
• Mr. Drummond — 6 episodes · supporting · Season 2
• Judd — 5 episodes · supporting · Seasons 1-2
• Alexa — 4 episodes · supporting · Season 1
• Dr. Mauer — 4 episodes · supporting · Season 2
• Gretchen George — 4 episodes · supporting · Season 2
• Patton — 4 episodes · supporting · Seasons 1-2
• Peter 'Petey' Kilmer — 4 episodes · supporting · Season 1
• Rebeck — 4 episodes · supporting · Seasons 1-2
• Ricken Hale — 4 episodes · supporting · Season 2
• Danise — 3 episodes · supporting · Season 1
• Florence — 3 episodes · guest · Seasons 1-2
• Jim George — 3 episodes · supporting · Season 2
• Angelo Arteta — 2 episodes · guest · Season 1
• Cecily — 2 episodes · guest · Season 2
• Dario Rossi — 2 episodes · guest · Season 2
• Gabriela 'Gabby' Arteta — 2 episodes · guest · Season 1
• Gwendolyn Y. — 2 episodes · guest · Season 2
• June Kilmer — 2 episodes · guest · Season 1
• Kier Eagan (voice) — 2 episodes · guest · Season 2
• Lorne — 2 episodes · guest · Season 2
• Mark Wilkins — 2 episodes · guest · Season 2
• Merrick George — 2 episodes · guest · Season 2
• Balf — 1 episode · guest · Season 1
• Bass — 1 episode · guest · Season 1
• Bukayo — 1 episode · guest · Season 2