Death Valley

Death Valley is a British comedy-drama television series created by BAFTA-nominated writer Paul Doolan (Mammoth, Trollied, Bloods) that premiered on BBC One on 25 May 2025, quickly establishing itself as a charming addition to the cosy crime genre. Starring Timothy Spall (The Sixth Commandment, Harry Potter, Mr Turner) and Gwyneth Keyworth (Hidden, Alex Rider, The Trouble with Maggie Cole), the six-episode first series proved so popular that it was renewed for a second series in August 2025, with filming commencing immediately and broadcast scheduled for 2026. Described as having “all the hallmarks of a BBC comedy classic,” the series blends murder mystery with genuine comedy in a formula reminiscent of Death in Paradise and Ludwig, creating what fans have praised as “great fun and a new spin on murder mystery shows.”

The series centres on John Chapel (Timothy Spall), a reclusive retired actor who spent years playing the beloved fictional detective Inspector Charles Caesar on a hit television series before withdrawing from public life and settling into quiet obscurity in rural Wales. Having shut himself away from the world for years, John lives as something of an eccentric hermit until DS Janie Mallowan (Gwyneth Keyworth) knocks on his door whilst investigating the apparent suicide of his neighbour, wealthy property developer Carwyn Rees. Janie is stunned to discover that her childhood television hero—the actor who played Inspector Charles Caesar, the detective she idolised growing up—is living next door to a suspicious death.

Despite Janie’s initial scepticism, John’s insight into character and years of playing a detective allow him to deduce that Carwyn was murdered rather than taking his own life. When forensics prove his theory correct, Janie quietly asks for his help with the case. Together they work to solve an intriguing mystery involving an environmental activist, a grieving widow, and a bitter business rival, painting the portrait of a man who kept many secrets from those closest to him. Although neither John nor Janie is ready to admit it, this first case marks the start of an iconic crime-solving partnership—and perhaps a friendship too.

The dynamic between the two leads provides the series’ comic heart. John Chapel is eccentric, theatrical, reclusive, and somewhat out of touch with the modern world, using his acting experience and understanding of human psychology to read people and situations in ways that formal police training doesn’t teach. Janie Mallowan is ambitious, determined, and desperate to solve big cases to progress her career, but she’s also socially obtuse in her own way and struggles with the messiness of human relationships. They are both very eccentric characters who don’t quite fit conventional moulds, making them perfect foils for each other. When John and Janie aren’t arguing about a case, they’re inevitably up in each other’s personal business, yet they soon realise they are the closest thing each other has to a best friend, unwittingly helping one another move on from the past.

Supporting the central partnership is an excellent ensemble cast. Steffan Rhodri (Gavin & Stacey, The Way) plays DCI Barry Clarke, Janie’s boss who oversees the unorthodox collaboration between his detective sergeant and the retired actor. Alexandria Riley (Baby Reindeer, The Diplomat) appears as Helen Baxter, the pathologist who provides forensic expertise. Rithvik Andugula (Extraordinary) plays DC Evan Chaudhry, a junior officer on the team. Melanie Walters (Gavin & Stacey) portrays Yvonne, Janie’s mother, whose relationship with John creates complications in Series 2. Patricia Hodge appears as Helena, Jim Howick (Ghosts, Horrible Histories) plays Constable Atkins, Remy Beasley (One Day) is Rhiannon Hopkins—Janie’s past adversary—and Mike Bubbins (Mammoth) plays Desk Sergeant Tony.

Series 2, which premiered in May 2026, sees John attempting to re-enter the world of acting, caught on the set of an epic Welsh fantasy TV series complete with eccentric costumes, when he’s pulled back into police investigations. The new cases take the duo to a coastal fishing village to investigate a murder, to a sustainable commune, and into the competitive world of rugby, with each episode grappling to bring justice to mid-Wales at every turn. A particularly intriguing complication arises when John’s romantic relationship with Janie’s mother Yvonne disrupts their ability to crack cases, adding personal stakes to professional challenges. Series 2 introduces Owen Teale (Game of Thrones) as Michael Mallowan, Janie’s father, further complicating family dynamics.

The Welsh setting is integral to Death Valley’s appeal. Filmed across South Wales and mid-Wales, the series showcases beautiful rural landscapes, gorgeous towns and villages, coastal locations, and historic castles, providing visually stunning backdrops to murder investigations. The production embraces Welsh locations and culture, with Welsh-speaking actress Gwyneth Keyworth (who was born in Aberystwyth) bringing authentic regional credibility to her role as DS Mallowan. The landscapes shift from episode to episode—ruined castle towers, fishing villages, rural communes, rugby grounds—creating variety whilst maintaining the distinctly Welsh character that sets the series apart from English-set crime dramas.

Timothy Spall brings his considerable acting talents to John Chapel, creating a character who is simultaneously theatrical and vulnerable, eccentric yet insightful, funny but occasionally melancholic. Fresh from winning the BAFTA TV Award for Leading Actor for The Sixth Commandment, Spall described Death Valley as “unique” and expressed his delight that “audiences have embraced the warm and eccentric nature of John and Janie’s partnership.” His performance balances comedy with pathos, showing a man who withdrew from the world finding unexpected purpose and connection through both detective work and friendship with someone who represents the next generation.

Gwyneth Keyworth’s portrayal of Janie Mallowan complements Spall perfectly. Keyworth, known for her work in Welsh-language drama and British crime series, brings genuine warmth and determination to a character who could easily become one-note. Janie is ambitious without being ruthless, socially awkward without being cartoonish, and starstruck by her childhood hero without losing her professional edge. The chemistry between Spall and Keyworth drives the series, making their bickering feel affectionate rather than mean-spirited, and their growing friendship genuinely touching.

Creator Paul Doolan’s script balances murder mystery plotting with character comedy, ensuring that neither element overwhelms the other. The mysteries themselves are engaging whodunits with red herrings, multiple suspects, and satisfying resolutions, whilst the comedy arises organically from character interactions rather than forced situations. Director Simon Hynd brings visual flair to proceedings, with cinematography by Sion Trefor capturing both the beauty of Welsh landscapes and the intimacy of character moments.

Critical and audience reception has been enthusiastic. Viewers have praised the relationship between Spall and Keyworth’s characters, the lovely Welsh settings, the stellar supporting cast, and the show’s blend of murder mystery with comedy. Fans binged all six episodes within days of release on BBC iPlayer, with many expressing hope for continued series beyond Series 2. The show’s success demonstrates continued appetite for cosy crime dramas that prioritise character relationships and gentle humour alongside murder investigations, particularly when set in beautiful locations with charismatic leads.

Jon Petrie, BBC’s director of comedy, called Death Valley “the perfect comedy drama caper which never forgets the funny,” recognising that the series succeeds by maintaining tonal balance—it’s a murder mystery that takes its crimes seriously whilst allowing humour to emerge naturally from its mismatched detective duo. The series never becomes too dark or violent, remaining family-friendly viewing that can be enjoyed for its wit, warmth, and satisfying puzzle-solving.

Death Valley represents a successful formula: take two excellent actors with strong comedic timing, pair them as unlikely partners with complementary skills and clashing personalities, set them loose on murder mysteries in beautiful locations, and trust the chemistry to carry the enterprise. It’s a formula used effectively by shows like Death in Paradise, Shakespeare & Hathaway, and The Mallorca Files, but Death Valley brings its own distinct flavour through its specifically Welsh identity, the meta-textual element of John having played a TV detective, and the genuine affection that develops between two lonely people who discover that solving crimes together fills voids neither realised they had. For fans of cosy crime with heart, humour, and gorgeous scenery, Death Valley delivers thoroughly entertaining television that leaves audiences eagerly awaiting the next unlikely case for John and Janie to argue their way through to justice.

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