28 Years Later Cast and Character Guide: Meet the Stars of the 2025 Zombie Thriller

The long-awaited sequel to Danny Boyle’s genre-defining zombie saga is here, and 28 Years Later is already trending as one of 2025’s most anticipated horror releases.

With a powerhouse cast, returning creative legends, and a new generation of survivors, here’s your definitive guide to every major character and the actors bringing them to life.

Trending New Faces and Returning Icons

• Jodie Comer (Isla) and Aaron Taylor-Johnson (Jamie) headline as a married couple at the heart of the story, navigating the horrors of a quarantined Britain and the dangers of the Rage Virus’s legacy.
• Alfie Williams makes his feature film debut as Spike, the next-generation survivor whose coming-of-age journey is central to the plot.
• Ralph Fiennes brings gravitas as Dr. Kelson, a survivor whose sanctuary of bones and medical skills hides a chilling backstory.
• Jack O’Connell’s Sir Jimmy Crystal is already a trending topic—a cult leader styled after notorious figures, set to appear in all three films of the new trilogy.
• Edvin Ryding plays Erik Sundqvist, representing the ongoing international response to the outbreak and the world beyond Britain’s quarantine.
• Erin Kellyman joins as Jimmy Ink, a mysterious new survivor whose role is still under wraps but is generating major online buzz.

Supporting Cast and Notable Characters

• Chi Lewis-Parry as Samson, the Alpha infected, introduces a terrifying new breed of intelligent, mutated infected.
• Amy Cameron as Rosey, Jamie’s secret lover, adds tension to the island’s fragile social order.
• Stella Gonet as Jenny, a key figure in the island’s leadership, shapes the survivors’ rules and responses.
• Rocco Haynes as Young Jimmy, appears in flashbacks to the original outbreak, connecting the past to the present.

Noteworthy Absences and Franchise Connections

• Cillian Murphy (Jim) does not return as a character but remains attached as an executive producer, fueling speculation about future cameos.
• The film continues the legacy of the original 28 Days Later and 28 Weeks Later, with new and returning creative forces, including Danny Boyle and Alex Garland, behind the camera.

Why This Cast Is Trending

• The combination of A-list talent (Comer, Taylor-Johnson, Fiennes), rising stars, and cult-favourite actors has made 28 Years Later a viral topic on social media and Google Trends.
• Jack O’Connell’s cult leader character and the introduction of the Alpha infected are especially hot topics among horror fans and franchise followers.

28 Years Later: The Next Chapter in Zombie Horror

With its blend of fresh faces, returning icons, and shocking new threats, 28 Years Later promises to redefine the zombie apocalypse for a new generation.

Stay tuned for more cast reveals and exclusive behind-the-scenes updates as the film’s release approaches.

About 28 Days Later

28 Years Later is a 2025 post-apocalyptic coming-of-age horror film produced and directed by Danny Boyle and written by Alex Garland. The third instalment in the 28 Days Later film series, following 28 Days Later (2002) and 28 Weeks Later (2007), it stars Jodie Comer, Aaron Taylor-Johnson, Alfie Williams in his feature film debut and Ralph Fiennes. The film marks the returns of Boyle, Garland and cinematographer Anthony Dod Mantle to the series, all of whom worked on the original film, with Cillian Murphy also serving as executive producer.

28 Years Later was released in the United Kingdom and the United States by Columbia Pictures through Sony Pictures Releasing on 20 June 2025. The film received positive reviews from critics.