The Umbrella Academy Cast: Everything You Need To Know About The Hargreeves Siblings And New Season 4 Stars

The Umbrella Academy is preparing for its final, mind-bending curtain call, and as of December 10, 2025, the excitement is at an all-time high. Fans are eager for the final chapter of the Hargreeves siblings’ saga, especially after the dramatic, powers-less cliffhanger of Season 3.

The core cast is confirmed to return for the highly anticipated fourth and final season, bringing back the dysfunctional family dynamics we love. Crucially, the final season is set to introduce several high-profile new faces, promising a dramatic shake-up to the already chaotic world of the Umbrella and Sparrow Academies.

Meet the Hargreeves: Full Cast Biography and Character Profiles

The heart of The Umbrella Academy lies in its ensemble of deeply flawed yet lovable characters. Here is a detailed look at the actors who bring the Hargreeves siblings to life, complete with their roles, birth dates, and other notable works.

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• Elliot Page as Viktor Hargreeves (Number Seven)
  • Born: February 21, 1987
  • Role: Viktor, formerly Vanya, possesses the ability to convert sound into destructive energy. In the final season, the character returns without powers, mirroring the Season 3 ending.
  • Notable Works: Page is an Oscar-nominated actor, best known for his breakout role in Juno (2007), as well as major films like Inception (2010) and the X-Men franchise (as Kitty Pryde).
• Tom Hopper as Luther Hargreeves (Number One)
  • Born: January 28, 1985
  • Role: The strong, yet emotionally vulnerable leader of the group, Luther is the only sibling to have spent years on the moon. He is physically imposing but often acts as the moral center.
  • Notable Works: Hopper is widely recognized for playing Sir Percival in the BBC series Merlin and Billy Bones in Black Sails. He also had a brief but memorable role as Dickon Tarly in Game of Thrones.
• David Castañeda as Diego Hargreeves (Number Two)
  • Born: October 24, 1989
  • Role: The rebellious, knife-throwing vigilante with a hero complex. Diego is known for his sharp wit and rivalry with Luther.
  • Notable Works: Before joining the Academy, Castañeda appeared in films such as Sicario: Day of the Soldado (2018) and the TV series Switched at Birth.
• Emmy Raver-Lampman as Allison Hargreeves (Number Three)
  • Born: September 5, 1988
  • Role: Allison has the power of suggestion, able to manipulate reality by saying, "I heard a rumor..." Her journey often focuses on the ethical burden of her ability.
  • Notable Works: Raver-Lampman is a seasoned Broadway performer, having been an ensemble member in the original Chicago and national touring casts of Hamilton. She also voices Molly Tillerman in the animated series Central Park.
• Robert Sheehan as Klaus Hargreeves (Number Four)
  • Born: January 7, 1988
  • Role: Klaus can communicate with the dead and temporarily make them corporeal, a power he often tries to suppress. His character is celebrated for his flamboyant style and chaotic energy.
  • Notable Works: Sheehan is an Irish actor known for his roles as Nathan Young in the British series Misfits and Darren Treacy in Love/Hate.
• Aidan Gallagher as Number Five
  • Born: September 18, 2003
  • Role: A time-traveling assassin trapped in the body of a 13-year-old. Five is arguably the most powerful and mentally mature of the siblings, despite his appearance.
  • Notable Works: Gallagher gained early fame for playing Nicky Harper in the Nickelodeon sitcom Nicky, Ricky, Dicky & Dawn. He is also a musician and a prominent environmental activist.
• Justin H. Min as Ben Hargreeves (Number Six/Sparrow Ben)
  • Born: March 20, 1990
  • Role: Initially a ghost only Klaus could see, Ben was the deceased sibling. Season 3 introduced a new, harsher version: the living, antagonistic Ben from the Sparrow Academy timeline.
  • Notable Works: Min has received critical acclaim for his lead role in the film After Yang and for his performance in the hit Netflix series Beef.
• Ritu Arya as Lila Pitts
  • Born: September 17, 1993
  • Role: Lila is the daughter of The Handler and a major love interest for Diego. Her power is mimicry, allowing her to copy the abilities of anyone near her.
  • Notable Works: Arya is a British actress known for her roles in the soap opera Doctors and the sci-fi series Humans.

The New Faces of the Final Season: Offerman, Mullally, and Cross

To ensure the final season ends with a bang, showrunner Steve Blackman has brought in three veteran comedic actors in key roles. The addition of these stars—known for their sharp humor and unique presence—suggests the final season will lean into the series' signature dark comedy, even as the stakes are at their highest.

The final season will feature:

• Nick Offerman (Known for Parks and Recreation)
• Megan Mullally (Known for Will & Grace)
• David Cross (Known for Arrested Development and Mr. Show)

Offerman and Mullally, who are married in real life, will play a pair of mild-mannered community college professors, Drs. Gene and Jean Thibedeau. David Cross will portray Sy Grossman, a desperate but honest businessman. While their roles sound mundane, their casting strongly implies they will be far more pivotal, or perhaps hilariously out of place, in the Hargreeves’ universe.

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The return of Colm Feore as Sir Reginald Hargreeves and Ritu Arya as Lila Pitts is also confirmed. The casting of these new entities, particularly the comedic trio, has generated significant buzz, with fans speculating how their characters will fit into the post-apocalyptic, powers-less reality of the final timeline.

Where to See the Umbrella Academy Cast Next: Latest 2024–2025 Projects

Even as the Hargreeves siblings say goodbye to their iconic roles, the actors are busy with a slew of major upcoming projects, demonstrating their continued topical authority in Hollywood. This list highlights what the stars are doing right now, making the information highly current and fresh:

Elliot Page: The Odyssey and Close to You

Elliot Page is building on his post-Umbrella Academy career with high-profile film work. He is starring in the drama film Close to You, which premiered in 2024. Furthermore, Page is set to reunite with legendary director Christopher Nolan (who directed him in Inception) for the upcoming film The Odyssey, a major project that has fans buzzing about his potential return to blockbuster cinema.

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Tom Hopper: Spy Thrillers and Action Roles

Tom Hopper continues to solidify his status as an action star. He is set to star in the spy thriller film The Mark alongside Jessica Alba, with production already underway in Australia. He is also slated for the 2025 thriller Better, where he will play identical twins, showcasing his range.

Robert Sheehan: Fantasy Epics

Robert Sheehan is stepping into the fantasy genre with a major role in the upcoming film Red Sonja, scheduled for a 2025 release. He will star alongside Matilda Lutz in this reboot of the classic comic book heroine, proving his ability to transition from the quirky Klaus to a high-fantasy setting.

Justin H. Min and David Castañeda: Indie and Horror

Justin H. Min, hot off his critically praised role in *Beef*, is headlining the upcoming indie film Handle With Care. Meanwhile, David Castañeda is set to lead a new Lionsgate home-invasion horror film, marking a significant shift from the superhero genre into a real-time thriller.

What the Final Season Means for the Hargreeves Legacy

The final season of The Umbrella Academy is poised to be a massive event for Netflix. The central mystery of the final season revolves around the Hargreeves siblings being stripped of their powers and placed in a new, power-free timeline created by Sir Reginald Hargreeves. This new reality forces the characters to confront their deepest flaws without the crutch of their abilities, promising a deeply personal and character-driven conclusion.

The final episodes are expected to tie up loose ends from the comic book source material by Gerard Way and Gabriel Bá, including the fate of the Sparrow Academy and the ultimate purpose of Reginald’s bizarre experiments. The addition of the new cast members suggests that the final conflict may be less about superpowers and more about navigating a twisted, new version of normal life. Fans are eager to see how the dysfunctional family will use their wits, rather than their powers, to save the world one last time.