British–Australian actor Hugo Weaving has joined the fourth season of the spy drama Slow Horses, joining a cast led by Gary Oldman. He is set to bring a distinctive presence to a story that follows a group of intelligence operatives who operate on the margins of MI5, dealing with the fallouts of failed missions and the pressures of a high-stakes game. The announcement confirms the show’s evolving ensemble as production moves forward, with Weaving adding depth to a cast already known for its sharp, noir-toned atmosphere.
In the fourth season, Joanna Scanlan takes on the lead role, continuing a track record of strong performances that anchor the series. Other cast members include Ruth Bradley, Tom Brook and James Callis, each bringing their own distinctive energy to the evolving narrative. Filming has kicked off in London, signaling a return to the show’s characteristic settings and a renewed commitment to the gritty, character-driven espionage that fans expect.
Apple TV+ has kept Slow Horses in a steady trajectory by renewing the series for both a third and a fourth season even before the premiere of the second season in December 2022. The show centers on MI5 personnel housed in the so-called Slough House, a haven for agents who have slipped from the main line of duty and are tasked with high-stakes, often politically sensitive assignments that test loyalty, judgment and resilience. The premise blends dark humor with tense, procedural storytelling to explore what happens when competence meets consequence in an organization under pressure.
Meanwhile, industry news confirms that HBO has begun filming the second season of House of the Dragon, continuing a separate but parallel wave of major fantasy programming that keeps audiences looking to premieres and updates from streaming and traditional networks alike. This broader landscape of high-profile series reflects a moment when prestige television remains a dominant force in popular culture, with audiences eager for bold storytelling, strong performances and fresh plot twists across multiple platforms.