The Coven Revealed: A Deep Dive Into The 'Agatha All Along' Cast And Their Mysterious MCU Roles

The highly anticipated Disney+ series *Agatha All Along* has concluded its run, but the phenomenal cast and their complex roles continue to spark intense discussion among Marvel Cinematic Universe (MCU) fans across the globe. This nine-episode saga, which premiered in September 2024, finally gave the iconic witch Agatha Harkness a chance to reclaim her power, assembling a formidable, yet dysfunctional, coven to navigate the treacherous Witches' Road. As of today, December 18, 2025, the series is a cornerstone of MCU Phase Five, and its ensemble cast is a masterclass in blending Broadway legends, comedic veterans, and rising young stars into a dark, magical, and often hilarious narrative. The series is a direct continuation of the events of *WandaVision* and the post-credit scene of *Doctor Strange in the Multiverse of Madness*, finding Agatha Harkness (Kathryn Hahn) stripped of her powers and trapped in Westview. To break the spell and reclaim her destiny, she must gather a coven of three to travel the Witches' Road, leading to a shocking confrontation with a formidable, cosmic entity known as the Green Witch.

Complete Cast & Character Profiles (The Coven and Beyond)

The core of Agatha All Along rests on the shoulders of its spectacular main cast, many of whom are playing characters with deep and mysterious comic book roots. Here is a full breakdown of the primary actors and the entities they brought to life in the MCU.

• Kathryn Hahn as Agatha Harkness / Agnes: The titular star, Kathryn Hahn returns as the powerful, cynical, and fashion-forward witch first introduced in *WandaVision*. Hahn is a celebrated comedic and dramatic actress, known for roles in *Crossing Jordan*, the films *Bad Moms*, *We're the Millers*, and her Emmy-nominated performance in *WandaVision*. Her character's journey in this series is one of reluctant redemption, forcing her to confront her past to secure her future.
• Joe Locke as Billy Maximoff / William Kaplan / Teen: The Manx actor rose to global fame playing Charlie Spring in the Netflix hit series *Heartstopper*. In *Agatha All Along*, Locke initially plays a mysterious young man simply called "Teen" who is magically coerced into being Agatha’s familiar. The series finale confirms the long-held fan theory that he is the reincarnation of Billy Maximoff, one of Wanda Maximoff's twin sons, and the future Young Avenger, Wiccan.
• Aubrey Plaza as Rio Vidal / Death: Aubrey Plaza, best known for her deadpan comedy as April Ludgate in *Parks and Recreation*, makes her MCU debut as the enigmatic Rio Vidal, a witch known as the Green Witch. The series' major twist reveals that Rio Vidal is, in fact, the cosmic entity Death, who is hunting Agatha for past grievances. Plaza's performance injects a chilling, yet darkly humorous, presence into the MCU pantheon of villains.
• Patti LuPone as Lilia Calderu: A bona fide Broadway legend, two-time Grammy winner, and three-time Tony Award winner, Patti LuPone brings her gravitas to the role of Lilia Calderu. Lilia is a powerful witch whom Agatha recruits for her coven. In the comic books, Lilia Calderu is a witch with deep ties to the mystical side of the Marvel Universe, having connections to both Doctor Strange and Baron Mordo.
• Sasheer Zamata as Jennifer Kale: Sasheer Zamata, a former cast member on *Saturday Night Live*, plays Jennifer Kale, a witch with a focus on holistic protection magic. Jennifer Kale is a significant character in the comics, known for her ties to Man-Thing and as the cousin of Johnny Blaze (Ghost Rider), suggesting a much larger mystical family tree within the MCU.
• Ali Ahn as Alice Wu-Gulliver: Ali Ahn, known for her roles in *Raising Dion* and *Orange Is the New Black*, portrays Alice Wu-Gulliver, a former police officer who becomes a vital member of Agatha’s coven, specializing in protection spells. Her character's arc is brief but impactful, as she is one of the coven members to meet a tragic end during their perilous journey on the Witches' Road.
• Debra Jo Rupp as Sharon Davis: Reprising her role from *WandaVision*, Debra Jo Rupp returns as Sharon Davis, the real-life Westview resident who was trapped in the persona of "Mrs. Hart." Rupp is instantly recognizable as Kitty Forman from the long-running sitcom *That '70s Show*. Her role provides a grounding, non-magical perspective on the chaos surrounding Agatha's quest.

The Shocking Comic Book Origins of Agatha’s Coven

One of the most compelling aspects of *Agatha All Along* is how it introduces and reinterprets deep-cut Marvel Comics characters, instantly building topical authority within the MCU's magical landscape. The series cleverly uses the concept of a coven—a crucial entity in witchcraft—to bring together these disparate figures, each with a history that points to massive future storylines.

The introduction of Jennifer Kale is particularly exciting for fans of Marvel's supernatural side. In the comics, she is a powerful sorceress who has been a member of the Legion of Night and the Midnight Sons, teams dedicated to combating supernatural threats. Her connection to Man-Thing (the monstrous guardian of the Nexus of All Realities) through her family lineage suggests that Agatha’s journey may have brushed against one of the most powerful magical locations in the entire multiverse.

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Similarly, Lilia Calderu, played by the magnificent Patti LuPone, is not just a random witch. Her comic book counterpart is the Witch-Queen of the Gypsies and has a significant, albeit strained, history with the Sorcerer Supreme, Doctor Strange. This inclusion subtly links Agatha's corner of the MCU directly to the established magical hierarchy of Kamar-Taj, hinting that her actions will have consequences felt by the most powerful magic users in the world.

But the most significant comic book entity reveal belongs to Aubrey Plaza’s Rio Vidal. Her true identity as the cosmic entity Death is a profound development. In the comics, Death is a fundamental force of the universe, often personified and most famously courted by the villain Thanos. By introducing a new, female, and witch-focused personification of Death, the series has laid the groundwork for future cosmic and mystical storylines, potentially setting up a new multiversal threat or a different dynamic for established cosmic characters.

The Witches' Road and the Rise of Wiccan

The entire plot of *Agatha All Along* is driven by the quest to travel the Witches' Road, a mystical path that promises to restore Agatha’s powers, but at a terrible price. This entity is not a physical location but a magical construct, and its true nature is the series' biggest twist. It is revealed that the Witches' Road was a complete manifestation created by the immense, untapped magical power of Joe Locke's character, Billy Maximoff.

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Billy’s journey from a mysterious "Teen" to the powerful young witch Wiccan is the emotional core of the series. As the reincarnation of one of the Scarlet Witch’s children, his powers are a form of chaos magic, mirroring his mother's. His ability to conjure the Witches' Road—a path that forces witches to confront their greatest fears and sacrifices—proves he is one of the most powerful young magic users in the MCU. This development not only confirms the return of a key Young Avenger but also establishes a new, formidable magical entity in the MCU's future.

The series successfully uses the Witches' Road as a crucible, testing the loyalty and power of the coven members. It is here that Alice Wu-Gulliver meets her fate, and where Agatha must make the ultimate sacrifice to protect Billy, proving her path toward redemption. The dynamic between the veterans like Hahn and LuPone and the rising stars like Locke and Plaza created a compelling, unpredictable energy that defined the series, ensuring that the legacy of *Agatha All Along* will be discussed for years to come as a pivotal moment for the MCU's magical entities.