The film stars Henry Cavill, Armie Hammer, Alicia Vikander, Elizabeth Debicki, and Hugh Grant.

Over the years, Matthew Vaughn, David Dobkin, and Steven Soderbergh were optioned for directing until Ritchie signed on in March 2013.

Solo and KGB Agent Illya Kuryakin are ordered to team up and stop Alexander and Victoria Vinciguerra, Nazi sympathizers using Udo Teller to build their own private nuclear weapon.

The former WWII soldier became a skilled high-profile thief, who was recruited by the CIA rather than face jail time.

Quentin Tarantino was briefly attached following the success of Pulp Fiction, but opted to make Jackie Brown instead.

[7] Steven Soderbergh was attached to direct Scott Z. Burns' screenplay, with production slated to begin in March 2012.

[8] Emily Blunt was nearly cast as the female lead,[9] but she left the project shortly after Soderbergh departed in November 2011.

In November 2010, George Clooney showed interest in the film,[14] and was in talks for the lead role of Napoleon Solo, but he left in September 2011 due to a recurring back injury.

[15][16] After Clooney's departure, actors including Joseph Gordon-Levitt, Ryan Gosling, Channing Tatum, Alexander Skarsgård, Ewan McGregor, Robert Pattinson, Matt Damon, Christian Bale, Michael Fassbender, Bradley Cooper, Leonardo DiCaprio, Joel Kinnaman, Russell Crowe, Chris Pine, Ryan Reynolds, and Jon Hamm were considered for the lead role.

[11] Armie Hammer was cast in the second lead role as Illya Kuryakin on April 24, 2013, with Cruise set as Solo.

[22][23][24] Elizabeth Debicki was cast in a femme fatale role on July 31, 2013; Rose Byrne and Charlize Theron were earlier considered for the same part.

[25] On August 8, 2013, Hugh Grant joined the cast as Alexander Waverly, the head of United Network Command for Law and Enforcement (U.N.C.L.E).

Two locations stood in place for Berlin sites on either side of the wall: the public toilet fight between Solo and Kuryakin was shot in Regent's Park in London, while the car chase during the movie's first act was shot in Chatham Historic Dockyard, Kent UK.

[31][32][33] Director Guy Ritchie finalized the script throughout production: "He's quite intuitive and tends to constantly rewrite stuff, which he does even when they're shooting.

He'll rewrite things in the morning if they're shooting that day, working with the actors if something doesn't feel right."

[37] The musical score received many glowing reviews with the LA Times noting "it is composer Daniel Pemberton who in some ways seems to understand the idea of the movie even better than Ritchie, his score featuring breathy flutes, twangy guitar, spooky harpsichord and pounding drums and organ capturing the mixture of pastiche, homage and a twist of the new in a way the rest of the film rarely matches.

[4] The Hollywood Reporter estimated the film lost the studio at least $80 million, when factoring together all expenses and revenues.

tries to distract from an unremarkable story with charismatic stars and fizzy set pieces, adding up to an uneven action thriller with just enough style to overcome its lack of substance.

[48][49] A 3D action game based on the film titled Mission: Berlin was released on iOS and Android.