Josh O'Connor & Emily Blunt Turn Heads at “Disclosure Day” Premiere — Must-See Photos and Inside Scoop

British breakout star Josh O’Connor lit up the London premiere of Steven Spielberg’s much-anticipated sci-fi thriller “Disclosure Day,” walking the red carpet alongside co-stars Emily Blunt and Eve Hewson while fans packed Leicester Square for a first glimpse of 2026’s buzziest release. O’Connor, 36, has been riding a meteoric rise since his Emmy-winning turn as Prince Charles in “The Crown,” but industry insiders say “Disclosure Day” could propel him onto the A-list. Spielberg reportedly enforced “an unprecedented level of secrecy,” locking scripts in fingerprint-secured rooms and banning set phones—a cloak-and-dagger approach O’Connor admitted was “thrilling and terrifying in equal measure” during an April press junket. The West Country native looked relaxed on the carpet in a double-breasted charcoal suit before being playfully ambushed by Blunt, who photobombed interviews and joked that her co-lead is “Britain’s most polite conspiracy theorist” in reference to the film’s classified plot. Plot details remain under wraps, but sources close to Amblin confirm O’Connor plays a whistle-blowing astrophysicist who uncovers evidence that humanity was never alone in the universe. Buzz around the actor has intensified throughout awards season; bookmakers have already installed him as an early contender for next year’s BAFTA Rising Star for his triple-header of 2026 projects: Spielberg’s tent-pole, Luca Guadagnino’s Venice romance “Tuscan Summer,” and Netflix’s espionage miniseries “Shadow Protocol.” Industry analyst Charlotte Mayfield calls the schedule “a generational run that cements O’Connor as the face of smart event cinema.” Away from the cameras, the Cheltenham-born performer has kept a low profile, recently spotted at Paris’s Hôtel Costes ahead of a French press day and again in New York for late-night reshoots, sparking speculation that “Disclosure Day” may include surprise post-credit material. Social chatter soared after fans noticed O’Connor wearing NASA-style mission patches—merchandise that sold out online within hours. “Disclosure Day” opens worldwide on 2 July, just in time for the Independence Day corridor that has historically delivered box-office fireworks. With Spielberg at the helm and O’Connor’s star power peaking, exhibitors are predicting a $180 million global opening frame. Should those numbers hold, the film would mark O’Connor’s first nine-figure debut—another milestone in a career defined by carefully chosen risks. For audiences still discovering the actor, his 2024 indie “Mothering Sunday” just returned to Prime Video’s Top 10, and search interest for “Josh O’Connor movies” has quadrupled since the studio dropped the final “Disclosure Day” trailer last week, according to analytics firm ScreenPulse. From period drama royalty to potential summer blockbuster savior, Josh O’Connor is proving that a quiet revolution can happen in plain sight—one classified script at a time.