The London Elite: Unmasking The Full ‘You’ Season 4 Cast And Their Shocking Real-Life Profiles

The fourth season of Netflix's chilling psychological thriller, You, transported Joe Goldberg across the Atlantic to the elite, cloistered world of London, forcing him to adopt a new persona and confront a new kind of obsession. Released in two parts in 2023, the season introduced a sprawling ensemble of new characters—a privileged, narcissistic group of socialites who quickly become Joe’s unwitting neighbors and, ultimately, his new targets. As of December 10, 2025, the cast remains a hot topic, with fans dissecting the brilliant performances that brought the 'Eat the Rich' mystery to life, and the shocking twists that redefined Joe’s character.

This deep dive reveals the full list of actors who joined Penn Badgley and Tati Gabrielle, offering a comprehensive look at their on-screen roles as well as their impressive real-life biographies. From established British stars to American breakout talents, the Season 4 cast is arguably the most complex and star-studded group Joe Goldberg has ever stalked, making this season a fresh and unique entry in the series' dark history. The new setting and the high-society circle provided a fresh playground for Joe, now masquerading as "Professor Jonathan Moore," to indulge his deadly habits.

The New London Elite: Complete Cast Profiles and Key Roles

Season 4 of You is defined by its new core group, a circle of wealthy, often morally bankrupt, socialites. This list details the key actors who brought the "Eat the Rich" theme to life, along with their essential biographical details and most notable career highlights before joining the Netflix phenomenon.

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Charlotte Ritchie as Kate Galvin

• Full Name: Charlotte Anne Elise Ritchie
• Born: August 29, 1989 (36 years old as of December 2025)
• Birthplace: Clapham, London, England
• Character Role: Kate Galvin is an art gallery director with a steely, protective personality. She is fiercely loyal to her friends and deeply distrustful of Joe (as Jonathan Moore), eventually becoming his main love interest and the season's central female lead.
• Career Highlights: Ritchie is a well-known English actress and singer, best recognized for her roles as Oregon in the comedy series Fresh Meat, Alison Cooper in the BBC sitcom Ghosts, and Barbara Gilbert in Call the Midwife.

Lukas Gage as Adam Pratt

• Full Name: Lukas Gage
• Born: May 28, 1995 (30 years old as of December 2025)
• Birthplace: San Diego, California, United States
• Character Role: Adam Pratt is an American ex-pat, the son of a wealthy tycoon, and an expat entrepreneur. He is a self-pitying, insecure party boy with a crippling gambling addiction, often involved in chaotic and humiliating situations.
• Career Highlights: Gage is an American actor who gained significant recognition for his roles in critically acclaimed HBO series, including Tyler in Euphoria and Dillon in The White Lotus. He also appeared in American Vandal.

Ed Speleers as Rhys Montrose

• Full Name: Edward John Speleers
• Born: April 7, 1988 (37 years old as of December 2025)
• Birthplace: Chichester, West Sussex, England
• Character Role: Rhys Montrose is an author and aspiring politician who comes from a poor background but successfully infiltrated the elite social circle. He is initially presented as a charismatic and intellectual figure, but his true identity is one of the season’s biggest twists.
• Career Highlights: Speleers is a veteran English actor, best known for playing the title role in the 2006 fantasy film Eragon, Jimmy Kent in Downton Abbey, and the antagonist Stephen Bonnet in Outlander.

Tilly Keeper as Lady Phoebe Borelli-Black

• Full Name: Matilda Elizabeth Keeper
• Born: August 16, 1997 (28 years old as of December 2025)
• Birthplace: Chislehurst, Bromley, London, England
• Character Role: Lady Phoebe is a wealthy, kind-hearted, and incredibly famous socialite and influencer. She is Kate’s best friend and a surprisingly naive figure who relies heavily on her trusted inner circle.
• Career Highlights: Keeper is an English actress who rose to fame for her long-running role as Louise Mitchell on the BBC soap opera EastEnders from 2016 to 2020.

Returning Faces and Their Shifting Dynamics

While Season 4 introduced a host of new characters, the narrative relied heavily on two central figures from previous seasons, whose roles were significantly altered by the new 'whodunit' plot structure and the shocking return to Joe’s true nature.

Penn Badgley as Joe Goldberg / Professor Jonathan Moore

Penn Badgley, the cornerstone of the series, returned as Joe Goldberg, but with a major twist. Joe begins the season having moved to London under the new alias, Professor Jonathan Moore, a literature professor at a prestigious university. His initial intention is to find Marienne, but he quickly falls into the toxic social circle of the London elite. The season’s narrative structure cleverly shifts the focus, making Joe the stalked, rather than the stalker, as he tries to uncover the identity of the "Eat the Rich" Killer. This shift in perspective was a fresh, unique challenge for Badgley, allowing him to explore Joe’s paranoia and self-deception in a new light.

Tati Gabrielle as Marienne Bellamy

Tati Gabrielle reprised her role as Marienne Bellamy, the librarian and artist Joe became obsessed with in Season 3. Her role in Season 4 is crucial, as Joe’s move to Europe is ostensibly to find her. Marienne’s story becomes one of survival and a desperate attempt to escape Joe’s grasp, leading to a tense, cat-and-mouse game that culminates in a devastating confrontation. Gabrielle's performance was lauded for depicting Marienne’s strength and resilience as she navigates the psychological terror of being Joe's former fixation.

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The Supporting Cast That Completed the Toxic Circle

The vast network of London socialites and academics required a large supporting cast, each playing a vital role in either distracting Joe, becoming a victim, or contributing to the season's high-stakes drama. The sheer number of characters added to the season's topical authority, providing a dense web of interconnected entities.

• Amy-Leigh Hickman as Nadia Farran: A sharp, intelligent literature student of Joe’s who becomes suspicious of his true identity.
• Stephen Hagan as Malcolm: Kate's wealthy, charismatic, but ultimately toxic boyfriend whose murder kicks off the "Eat the Rich" mystery.
• Ben Wiggins as Roald Walker-Burton: A friend of Kate and Phoebe, known for his aristocratic background and immediate, intense rivalry with Joe.
• Niccy Lin as Sophie Soo: A high-profile, wealthy influencer and entrepreneur who is part of Phoebe's inner circle.
• Aidan Cheng as Simon Soo: Sophie's quiet, artistic brother, who is often overshadowed by his sister's fame.
• Eve Austin as Gemma Graham-Greene: Another member of the privileged group, known for her entitled and often cruel behavior.
• Ozioma Whenu as Blessing Bosede: A Nigerian princess and cryptocurrency investor in the same circle.
• Brad Alexander as Edward: A newcomer to the industry, playing a minor role that helps flesh out the university setting.
• Alison Pargeter as Dawn: A character introduced later in the season who becomes entangled in the main mystery.

The collective performance of this ensemble cast successfully created the atmosphere of a closed, insular world of inherited wealth and moral decay. The actors, many of whom are well-known in British television, brought a distinct sense of authenticity to the London setting, which was a deliberate choice by the showrunners to give Joe a completely new environment to navigate. The shift from California suburbia to the historic, yet modern, backdrop of London was a critical element in refreshing the series' formula, and the new cast was instrumental in making that transition believable and compelling.

The Legacy of the ‘Eat the Rich’ Killer and Cast Dynamics

The key to Season 4’s success was the introduction of the 'Eat the Rich' Killer plotline, which saw Joe Goldberg, the typical predator, become the prey. This narrative device allowed the writers to satirize the ultra-wealthy, a theme brilliantly executed by the new cast. Actors like Lukas Gage and Tilly Keeper perfectly embodied the extremes of this class—the self-destructive indulgence of Adam and the sheltered naivety of Lady Phoebe—providing rich material for Joe’s internal monologue and the season’s twists. The dynamic between Penn Badgley’s Joe and Charlotte Ritchie’s Kate was also a fresh departure, as Kate was arguably the most guarded and cynical of Joe's love interests, making their relationship feel earned, albeit still deeply toxic.

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The season ultimately concluded with Joe embracing his true, unrepentant self, a transformation made possible by the events and the people he encountered in London. The chemistry and tension among the new additions, particularly the antagonistic relationship between Joe and the elite circle, cemented Season 4 as a pivotal moment in the series. The performances delivered by this talented ensemble cast ensured that the shift in location and genre—from stalker thriller to murder mystery—was both engaging and critically acclaimed, leaving a lasting impression on the show's narrative trajectory.