New city, new identity, new victims. Joe Goldberg has fled the American suburbs for London’s academic elite, adopting the disguise of Penn Badgley as Professor Jonathan Moore. According to the official synopsis, this chapter transforms from a stalker thriller into a classic whodunnit, meaning the ensemble is packed with potential killers rather than just targets (You Cast).
Meet the Key Players: How Kate and Rhys Shake Up Joe’s New Identity
Every season of You hinges on the woman who catches Joe’s eye, but London offers a frosty departure from the romantic warmth of previous targets. Enter Kate Galvin, an art gallery director who immediately suspects something is “off” about the new literature professor. Played by Charlotte Ritchie, Kate is sharp, defensive, and fiercely loyal to her wealthy friends, forcing Joe to work harder than ever to maintain his cover while navigating her icy skepticism.
While most of the elite circle looks down on outsiders, Rhys Montrose stands out as a rare kindred spirit for Jonathan Moore. As an author-turned-politician who pulled himself up from poverty, the character played by Ed Speleers offers Joe a sense of connection amidst the snobbery. Viewers may recognize these pivotal faces from their previous acclaimed roles:
- Charlotte Ritchie (Kate): Best known for her comedic and dramatic turns in the UK sitcom Ghosts, Call the Midwife, and Netflix’s Feel Good.
- Ed Speleers (Rhys): Instantly recognizable to period drama fans as Jimmy Kent in Downton Abbey, plus roles in Outlander and Eragon.
With the central antagonists established, the focus shifts to the chaotic inner circle.
Spotting the Socialites: The ‘Eat the Rich’ Circle
Beyond the central pair, Joe becomes entangled with a chaotic group of aristocrats who serve as the prime suspects—and victims—for the season’s “Eat the Rich” killer mystery. Leading the pack of wealthy socialites is Lukas Gage (The White Lotus) as Adam Pratt, a struggling American expatriate and gambler, and Tilly Keeper (EastEnders) as the sweet but naive influencer Lady Phoebe. Their extravagant parties provide the perfect backdrop for murder, forcing Joe to analyze which of these privileged friends is secretly wielding a knife.
While the socialites provide the drama, two crucial outsiders keep Joe grounded in reality. Tati Gabrielle returns as Marienne Bellamy, the librarian who escaped Joe’s grasp in Season 3 and remains the initial reason for his European journey. Meanwhile, Amy-Leigh Hickman joins as Nadia, a brilliant literature student who bonds with “Professor Moore” over genre conventions. Key background details for this tangled web include:
- Lukas Gage (Adam): The reckless playboy; known for The White Lotus and Euphoria.
- Tilly Keeper (Lady Phoebe): The tabloid darling; recognized from EastEnders.
- Amy-Leigh Hickman (Nadia): The mystery-savvy student; seen in Ackley Bridge.
Suspect Identification: Cast List for Parts 1 and 2
The narrative shift between Part 1 and Part 2 transforms the series from a classic murder mystery to a psychological thriller, complicating the question of who remains standing. The following roster defines the core London socialite group surrounding Joe Goldberg:
- Penn Badgley – Joe Goldberg / Jonathan Moore
- Charlotte Ritchie – Kate Galvin
- Ed Speleers – Rhys Montrose
- Tilly Keeper – Lady Phoebe
- Lukas Gage – Adam Pratt
- Amy-Leigh Hickman – Nadia Farran
- Tati Gabrielle – Marienne Bellamy