The Killer Cast Of 'I Know What You Did Last Summer' (2025) Legacy Sequel: Who’s Returning And All The New Victims

The legacy sequel to the iconic 1997 slasher film, I Know What You Did Last Summer, is officially set for a 2025 release, bringing back franchise favorites and introducing a fresh group of stars to face the hook-wielding killer. This highly anticipated fourth installment, which shares its title with the original but is a direct continuation of the first two films, has generated immense buzz, especially regarding which members of the original "Fab Four" would return. As of December 2025, the full cast list is confirmed, promising a terrifying blend of nostalgia and new blood.

Directed by Jennifer Kaytin Robinson, this new chapter is poised to be one of the biggest horror events of 2025, hitting theaters on July 18, 2025. The film follows a new group of friends who—you guessed it—inadvertently cause a deadly car accident and cover up their involvement, only to be stalked by a mysterious figure who knows their dark secret. The most exciting news for long-time fans is the confirmed return of two central characters, alongside a surprise cameo that will delight everyone who remembers the original film's gruesome ending.

I Know What You Did Last Summer (2025) Full Cast & Character Profiles

The I Know What You Did Last Summer sequel is a true legacy film, balancing the star power of the original cast with a new ensemble of rising Hollywood talent. Below is the complete, confirmed list of actors and the characters they will be playing in the 2025 movie.

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• Jennifer Love Hewitt as Julie James: The definitive final girl of the franchise. Hewitt reprises her role as Julie, who survived the original killer and his vengeful brother. Her return is central to the "legacy" aspect of the film.
• Freddie Prinze Jr. as Ray Bronson: Prinze Jr. returns as Ray, the other survivor from the original group. His character's involvement suggests a direct link between the past murders and the new wave of terror.
• Sarah Michelle Gellar as Helen Shivers: In a thrilling surprise, Gellar reprises her role. While her character was definitively killed in the original, sources confirm she appears in a cameo, likely a dream sequence or flashback, a nod to her iconic chase scene.
• Madelyn Cline as Danica Richards: Known for her breakout role in Outer Banks, Cline leads the new cast. Danica is described as Ava's wealthy best friend.
• Chase Sui Wonders as Ava Brucks: Wonders, who has starred in films like Bodies Bodies Bodies, plays Ava, who is Danica's best friend and one of the new group of friends involved in the fatal accident.
• Jonah Hauer-King as Milo Griffin: The star of The Little Mermaid (2023) joins the cast as Milo, another member of the ill-fated new group.
• Tyriq Withers as Teddy Spencer: Withers is one of the new core group of friends targeted by the killer.
• Sarah Pidgeon: Pidgeon, known for her work on Tiny Beautiful Things, is cast in a currently undisclosed role, likely another member of the new friend group.
• Billy Campbell: The veteran actor is cast in a supporting role, adding a familiar face to the adult cast.
• Austin Nichols: Nichols, known for The Walking Dead, is also cast in an undisclosed supporting role.
• Nicholas Alexander Chavez: Chavez is cast in an undisclosed role, completing the ensemble of young actors.
• Gabbriette Bechtel: The model and musician is also part of the new ensemble, marking a new step in her acting career.

The Thrilling Return of Julie James and Ray Bronson

The decision to bring back Jennifer Love Hewitt and Freddie Prinze Jr. as Julie James and Ray Bronson is the cornerstone of the 2025 sequel's appeal. Unlike a straightforward reboot, a "legacy sequel" uses the original characters to bridge the past with the present, similar to the recent successful relaunch of the Scream franchise.

Julie and Ray’s return is not just a cameo; it’s a narrative necessity. Their trauma from 27 years ago—when they ran over a man on a coastal road and dumped his body—is the original sin of the franchise. The new film takes place 27 years after the events of the second film, suggesting a cyclical pattern of violence that connects the original victims to the new ones.

Fans are eager to see how Julie and Ray have coped with their past. Are they still together? Have they been living in fear? Do they hold the key to stopping the new hook-wielding killer? The presence of these two horror icons grounds the new story and raises the stakes, moving beyond a simple remake to a true continuation of the dark legend of the Fisherman. Their involvement ensures the film respects the established lore while introducing new victims for the killer.

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The New Generation of Slasher Victims: Who Are the Fresh Faces?

While the returning cast provides the nostalgia, the fresh faces—led by Madelyn Cline, Chase Sui Wonders, and Jonah Hauer-King—will bear the brunt of the Fisherman’s wrath. This new ensemble of young, popular actors is a deliberate choice to capture the attention of a new generation of horror fans, much like the original film did with its cast of 90s teen idols.

The premise for the new group mirrors the original: a deadly car accident, a pact of silence, and a stalker who knows their secret. This familiar setup allows the film to explore modern themes of guilt, social media, and the pressure of keeping secrets in the digital age, which are LSI keywords naturally linked to the slasher genre today. The casting of actors known for other popular teen dramas and horror-comedies ensures the film maintains a contemporary and marketable edge.

Deep Dive into the New Cast's Background

Madelyn Cline: Her role as Sarah Cameron in Netflix's Outer Banks has made her a household name among young audiences. Her transition to the horror genre in a leading role is a major draw for the sequel.

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Chase Sui Wonders: With credits in A24’s Bodies Bodies Bodies and the TV series Generation, Wonders is already familiar with the horror and dark comedy space, making her a perfect fit for the slasher film's tone.

Jonah Hauer-King: Best known for playing Prince Eric in Disney’s live-action The Little Mermaid, Hauer-King brings a fresh, leading-man quality to the cast, likely as one of the new film's central male figures.

The inclusion of talents like Tyriq Withers, Sarah Pidgeon, and Nicholas Alexander Chavez rounds out a diverse and compelling ensemble. Their performances will be crucial in establishing the emotional weight of the new tragedy and determining who will survive the Fisherman's relentless pursuit. The success of this legacy sequel hinges on the chemistry and terror delivered by this new generation of victims.