Is Jack Lowden Leaving ‘Slow Horses’? River Cartwright’s Fate and Season Seven Explained

In an era where streaming platforms often take years between seasons of high-quality television, the Apple TV+ spy thriller ‘Slow Horses’ has carved out a unique reputation for its relentless pace and production efficiency. Set in the administrative limbo of Slough House, this British espionage drama expertly balances sharp workplace humor with genuine peril.

Throughout its thrilling chapters, the ensemble cast, led by Academy Award winner Gary Oldman as Jackson Lamb, has defied conventional timelines by filming consecutive seasons back-to-back. This disciplined approach has kept viewers deeply engaged in the precarious survival of the agency’s outcast field operatives, who frequently find themselves in life-threatening situations.

The tension reached a climax in the season six finale, titled “Judgment Day,” leading to widespread concern over whether Jack Lowden is leaving ‘Slow Horses’. After narrowly escaping contract killers in London, Lowden’s ambitious agent River Cartwright returned to his late grandfather’s home, only to collapse from an apparent nerve agent, leaving his fate uncertain.

The shocking finale left viewers stunned, especially those who thought River was about to enjoy a romantic reunion with Sid Baker, portrayed by Olivia Cooke. As Cartwright struggled to open a bottle of wine after placing down a contaminated crowbar, he suddenly became paralyzed before he could call for help.

The emotional impact of the scene was heightened by Cooke’s return after being absent from Slough House for several seasons. Reflecting on her character’s absence and survival, co-star Olivia Cooke shared, “We thought that she’d been in a rehabilitation facility that is kept under wraps by MI5,” in an interview with Variety. To add to the suspense, a brief preview of season seven featured Lamb sarcastically commenting on the lovely weather in the afterlife, while River was notably absent.

While TV adaptations often stray from their source material to surprise audiences, the narrative foundation of the franchise offers reassurance regarding River’s survival. Season six incorporated elements from Mick Herron’s sixth and seventh novels, ‘Joe Country’ and ‘Slough House’, drawing directly from the foreign retaliation depicted in those stories.

In the climax of Herron’s novel ‘Slough House’, River is similarly targeted with a chemical agent at David Cartwright’s home, where Sid discovers his incapacitated body the following morning. Instead of dying, River survives the poisoning and undergoes medical recovery in the next book, ‘Bad Actors’, which serves as the narrative basis for the upcoming television season.

Since the TV adaptation respects Herron’s overarching storyline, eliminating the main protagonist would represent a significant deviation from the established narrative. While Cartwright may spend the early episodes of season seven recuperating away from active duty, the literary roadmap confirms that his journey is far from over.

Adding to the speculation about Lowden’s long-term involvement in the series are ongoing rumors linking the Scottish actor to the role of James Bond. Lowden’s impressive physical performances and action sequences in season six have only fueled speculation that he could lead the next iteration of the iconic 007 franchise.

Even his colleagues have joined in on the speculation, with director Adam Randall stating that the ‘Slow Horses’ standout would make a “pretty perfect” James Bond in an interview with The Hollywood Reporter. Co-star Oldman has also expressed hope that Lowden would land the role, raising concerns that major film commitments might pull the actor away from television.

Lowden’s schedule has indeed become packed with prestigious projects, including feature films and discussions for Netflix’s upcoming adaptation of ‘Pride and Prejudice’. However, the tight shooting schedule of ‘Slow Horses’ has historically allowed its main cast to pursue outside film roles without compromising their television commitments.

Beyond literary references and casting rumors, solid production details confirm that Lowden has not departed from the espionage thriller. Earlier in the show’s run, Deadline confirmed that Apple TV+ commissioned consecutive seasons well in advance of airing, allowing season seven to complete principal photography before season six even premiered. The cast list for season seven also includes Lowden alongside established regulars Oldman, Kristin Scott Thomas, and Saskia Reeves.

Ultimately, the harrowing poisoning in the season six finale serves as a masterfully crafted cliffhanger designed to heighten suspense rather than signal an abrupt exit for Slough House’s most resilient operative. With production already gearing up for season eight to adapt Herron’s novel ‘Clown Town’, viewers can rest easy knowing that River Cartwright will be back to face new challenges.

Do you think River Cartwright will return to active duty right away in season seven, or will his recovery keep him sidelined from the field?