Continuity mistake: In the first meeting room at the Russian Embassy, the picture behind Linda and Chad changes from a blue framed portrait of what looks like Yeltsin to a portrait of Putin. (00:45:50)
Continuity mistake: When George Clooney is running, there's a shot of him in the neighborhood with the back of his shirt drenched. When they show him inside the house shortly after, the sweat stain on his back is significantly smaller.
Continuity mistake: When George Clooney and Tilda Swinton are eating in a restaurant part-way into the film, throughout this scene Tilda Swinton's spoon appears and disappears. (00:50:05)