Slow Horses fans are excited for season 4 of the gritty espionage thriller starring Gary Oldman as unhappy but sharp-witted Jackson Lamb. This season, released on Apple TV+ on September 4, 2024, returns with fresh twists and startling discoveries to the intensity, suspense, and dark humour audiences enjoy.
The show, based on Mick Herron’s Slough House books, follows a group of MI5 rejects sent to Slough House, a career agent institution for significant blunders. These misfit operatives, known as the Slow Horses, work for Jackson Lamb, a snarky, abrasive man with acute instincts and intellect. Season 4’s plot of personal stakes and political intrigue raises the intensity in the espionage thriller-dark humour series, which has a loyal audience.
Gary Oldman Shines Again as Jackson Lamb
Slow Horses’ popularity is due to Gary Oldman’s outstanding performance as Jackson Lamb. Lamb’s unconventional techniques and biting humour sustain Slough House’s chaos in Season 4. He balances being a washed-up intelligence officer and a superb strategist, captivating audiences. This season, Lamb becomes embroiled in a horrific terrorist plan that rattles London and reveals long-buried truths.
Jackson Lamb, played by Oldman, represents the complexities of espionage with his dishevelled look and cutting humour. In Season 4, Lamb proves his dedication to his crew despite his severe treatment. Lamb remains one of television’s most engaging characters because to Oldman’s subtle performance and incisive writing.
Explosive New Plot
Season 4 is based on Mick Herron’s book Spook Street and follows a bombing that shakes London and reveals Slough House secrets. Lamb and his squad face internal and external threats from a big terrorist strike. Former CIA operative-turned-mercenary Frank Harkness, portrayed by Hugo Weaving, becomes the main adversary.
The series becomes more perilous with Harkness, a talented and deadly antagonist. Harkness heads an assassination team, making him a deadly Slow Horses opponent, and his encounters with Jackson Lamb will be riveting.
River Cartwright is personally invested
Season 4 is about stopping a terrorist plan, but River Cartwright (Jack Lowden) also faces personal risks. This season, River must safeguard his grandpa, David Cartwright (Jonathan Pryce), a former intelligence officer with fading memories. River must choose between his family and Slough House when David accidentally gets involved in the fighting.
This relationship gives emotional dimension to the plot, especially when River struggles to accept his grandfather’s background in intelligence may not be honourable. River’s quest to rescue his grandpa adds a human touch to the season’s espionage drama, revealing the protagonists’ lives beyond Slough House.
Stars Return and Newcomers
Kristin Scott Thomas as MI5’s powerful Diana Taverner, Saskia Reeves as Catherine Standish, and Rosalind Eleazar as Louisa Guy return for Season 4 along with Gary Oldman and Jack Lowden. Each character brings distinct abilities to the series, adding depth and complexity.
Season 4 introduces Hugo Weaving as the vicious Frank Harkness, Ruth Bradley as Emma Flyte, and Joanna Scanlan as Moira Tregorian, adding new tensions to the ensemble. These new personalities will disrupt Slough House and complicate the Slow Horses’ existence.