Slow Horses Showrunner Will Smith Leaves After Season 5 – The Real Reason (2025)

The spy thriller world is buzzing with a seismic shift: Will Smith, the mastermind behind Slow Horses, is stepping down after Season 5. But here’s where it gets controversial—was it truly a ‘practical decision,’ or does this mark the beginning of the show’s decline?

Apple TV+’s Slow Horses has carved out a niche as one of the most irreverent and clever spy dramas in recent years, thanks in large part to its showrunner, Will Smith. Known for his work on political satires like The Thick of It and Veep, Smith brought a sharp, darkly comedic edge to Mick Herron’s Slough House novels. His ability to balance biting humor with tense espionage has made the series a cult hit, even as it battles the challenges of Apple TV+’s notoriously under-the-radar platform.

But now, Smith is exiting the fray. In an exclusive interview with /Film, he revealed that his departure wasn’t a dramatic exit but a “practical decision” driven by the sheer intensity of the production schedule. “I was doing so much work on Season 5 that there was no way I was going to be able to do that,” he admitted. The show’s breakneck pace—shooting two seasons simultaneously to release one per year—left little room for error. “I don’t want to leave, but it was also like, I couldn’t get the scripts ready, they couldn’t meet the schedule,” Smith said, highlighting the clash between creative ambition and logistical reality.

And this is the part most people miss: While fans might assume Smith’s exit is a blow to the show’s quality, he insists Season 5’s finale wraps up key story arcs, making it a “nice place to exit.” Yet, questions linger. Can a new showrunner replicate the magic Smith has woven over five seasons? The answer may lie in the hands of Gaby Chiappe (The Level) and Ben Vanstone (All Creatures Great and Small), who will take the helm for Seasons 6 and 7. But will their vision align with Herron’s gritty, bureaucratic spy universe? Or will the show lose its signature edge?

The stakes are high, especially considering Apple TV+’s financial struggles and the show’s underdog status. Despite stellar performances—Gary Oldman’s Jackson Lamb remains a masterclass in grizzled, antihero charm—the platform’s limited reach means Slow Horses often flies under the radar. Smith’s departure adds another layer of uncertainty. As he noted, Herron’s novels (now nine books and counting) provide ample source material, but adapting them requires a writer who can handle both the absurdity and the gravitas of Slough House’s world.

So, what’s next? Smith’s exit raises a provocative question: Is this a necessary pivot for the show’s long-term survival, or a missed opportunity to capitalize on its growing momentum? We’d love to hear your take in the comments: Do you think *Slow Horses can thrive without its original showrunner, or is this the start of a downward spiral?* One thing’s for sure—whether you’re a die-hard fan or a curious newcomer, Season 5’s premiere is now streaming, and the drama is just getting started.

Slow Horses Showrunner Will Smith Leaves After Season 5 – The Real Reason
 (2025)
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