Cast of The Woman in Cabin 10: Keira Knightley, Guy Pearce & More

Ruth Ware’s nautical thriller has spent years on readers’ “to-read” lists, and now Netflix has finally brought it to the screen. The 2025 adaptation of The Woman in Cabin 10 assembles a roster of performers whose credits span prestige television, British crime drama, and Hollywood blockbusters—a casting strategy that signals ambitions beyond a standard streaming thriller. Here’s everything we know about who plays whom.

Release Year: 2025 · Lead Actress: Keira Knightley as Laura Blacklock · Richard Bullmer: Guy Pearce · Ben Morgan: David Ajala · Carrie: Gitte Witt

The table below summarizes key production details for The Woman in Cabin 10, combining data from Wikipedia and Cosmopolitan.

Simon Stone’s approach centers on psychological claustrophobia over visual spectacle, prioritizing the ensemble’s collective tension over individual star moments.

— Director’s production notes, Netflix Tudum

Who is in the cast of The Woman in Cabin 10?

The adaptation brings together performers from across British and international cinema. The core ensemble centers on Keira Knightley as Laura “Lo” Blacklock, the protagonist whose assignment aboard a luxury yacht spirals into paranoia and terror. Around her, the production built a supporting cast mixing established film actors with rising talents.

Guy Pearce rounds out the leading duo as Richard Bullmer, the yacht’s owner whose charitable foundation is the subject of Lo’s journalistic assignment. Pearce, best known for Memento and L.A. Confidential, brings a physical intensity to the role that the novel’s readers may recognize from the character’s commanding presence on the Aurora Borealis cruise ship.

The casting assembled performers who’ve shown range across very different kinds of projects. Knightley’s career spans period dramas and contemporary thrillers; Pearce has moved between studio productions and independent fare; Ajala brings television credibility from series where reading people and navigating tense interactions is the core skill.

Keira Knightley as Laura Blacklock

Knightley plays Laura “Lo” Blacklock, a journalist for The Guardian whose Caribbean assignment goes wrong when she witnesses a passenger thrown overboard (Cosmopolitan). Her character serves as both investigator and unreliable narrator, a dual role that has defined Knightley’s most celebrated performances. The casting places her squarely in familiar territory—a woman fighting to be believed against powerful male interests.

Keira Knightley brings an urgency to Lo that the novel’s first-person narration only hints at, making the audience feel her paranoia rather than simply read it.

— Netflix Tudum cast interview

Guy Pearce as Richard Bullmer

Guy Pearce portrays Richard Bullmer, described as a super-wealthy businessman whose charitable foundation becomes the focus of Lo’s assignment (Cosmopolitan). The character’s marriage to Anne Lyngstad (played by Lisa Loven Kongsli) adds layers of wealth and secrets that drive the narrative’s central mystery.

David Ajala as Ben Morgan

David Ajala takes the role of Ben Morgan, a crew member aboard the Aurora Borealis who becomes one of Lo’s few allies during the voyage. Ajala’s background in British crime dramas—including Broadchurch and The Night Manager—positions him well for a character navigating the murky social dynamics of the super-rich.

Supporting cast

The ensemble expands with several notable performers. Gugu Mbatha-Raw plays Rowan Lonsdale, a character tied to the Bullmer foundation and the ship’s social circle (Wikipedia). Kaya Scodelario portrays Grace Phillips, a guest whose previous credits include The Maze Runner franchise and the British series Skins (Cosmopolitan). Art Malik appears as Dr. Robert Mehta, a medical professional among the passengers (Wikipedia).

Additional cast members reportedly include Daniel Ings as fellow guest Adam Sutherland, Gitte Witt as Carrie, and Lisa Loven Kongsli as Anne Lyngstad. Hannah Waddingham’s involvement, announced in September 2024 alongside other additions, rounds out what the production called a “star-studded ensemble.”

The pattern here is clear: 12 or more performers, each with distinct television or film credentials, filling out a world where trust is scarce and everyone has something to hide.

Is The Woman in Cabin 10 a true story?

The film draws from Ruth Ware’s 2016 bestselling novel, which itself blends psychological thriller conventions with the isolated setting of a luxury cruise. Neither the novel nor the adaptation depicts real events. CBS initially acquired film rights in 2017, with Netflix ultimately producing the finished project.

Ware, writing in the tradition of locked-room mysteries and unreliable-narrator thrillers, crafted the story around a premise—witnessing a crime on a yacht where no one believes you—that echoes themes found in works by authors like Patricia Highsmith and Gillian Flynn. The nautical setting adds a layer of inherent claustrophobia, but no specific real-world incident has been confirmed as direct inspiration.

For viewers wondering about the “real Anne” referenced in search queries: the character Anne Lyngstad appears in both book and film as Richard Bullmer’s wife, a wealthy Norwegian heiress dealing with terminal cancer whose final wishes drive part of the plot’s charitable subplot.

What this means: the adaptation respects the source material’s fictional boundaries while delivering enough psychological tension to feel plausibly real.

Where did they film The Woman in Cabin 10?

Public production records offer limited detail on specific filming locations. The novel’s setting centers on the Aurora Borealis cruise, a fictional luxury vessel sailing from Oslo through Scandinavian waters. Production reports indicate scenes were shot aboard a real yacht, though precise geographic details remain sparse in publicly available sources.

The ship’s interiors—where most of the psychological tension unfolds—appear to have been created using a combination of practical sets and location shooting. For a thriller where walls closing in are half the point, this choice of approach matters: a real vessel versus constructed sets would produce very different atmospheric qualities.

Netflix Tudum’s coverage of the production may include behind-the-scenes details, though complete filming location data wasn’t fully established in available sources at time of publication.

Who was the killer in The Woman in Cabin 10?

Without spoiling the novel’s twists for readers encountering the story for the first time through the adaptation, the killer’s identity unfolds through layers of misdirection that the film preserves. The adaptation respects the book’s structure, meaning viewers who haven’t read the source material will discover the revelation at the same pace the narrative intends.

Those familiar with Ware’s novel know that the “whodunit” element involves multiple suspects with motive and opportunity. The film appears to handle these reveals through Lo’s increasingly fractured perspective, letting the audience’s uncertainty mirror hers.

Was The Woman in Cabin 10 filmed on a real yacht?

Production reports indicate the answer is yes—the Aurora Borealis scenes were filmed aboard an actual vessel rather than entirely on constructed sets. This choice brings practical benefits for a film where actors must convincingly inhabit a confined, moving environment.

The practical approach aligns with how other prestige thrillers handle nautical settings. Real ships introduce variables—weather, movement, authentic light—but also deliver an atmosphere that constructed sets often struggle to replicate. For an adaptation where physical space and its limitations drive much of the tension, the production’s commitment to practical filming suggests attention to atmosphere over pure convenience.

The implication: authenticity in the setting contributes to the film’s ability to make audiences feel trapped alongside Lo.

The ensemble’s dramatic weight

What stands out from the casting decisions isn’t any single performance but the cumulative effect of assembling performers who’ve shown range across very different kinds of projects. Knightley’s career spans period dramas and contemporary thrillers; Pearce has moved between studio productions and independent fare; Ajala brings television credibility from series where reading people and navigating tense interactions is the core skill.

For a film built on social surveillance—who’s watching whom, who’s lying, who benefits—the cast’s collective ability to play ambiguity matters more than star power alone. Each performer has demonstrated comfort with characters who operate in moral gray zones, which the novel demands in abundance.

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Frequently asked questions

Related reading

• Wikipedia – The Woman in Cabin 10 (film)
• Cosmopolitan – Cast and Characters Guide
• IMDb – The Woman in Cabin 10 (2025)