When Kathryn is asked to return her ID at the HQ, her right-side shirt collar is unfolded. When she is escorted, the collar is folded again, and in the next shot it is the left-side collar that is unfolded.
As Kathryn walks down the hallway of the Holiday Inn, a shot shows her view looking down the hall. A man is on her left walking toward her. The next shot shows Kathryn's front as she keeps walking down the hall. The man has passed her and his now on her right.
In the opening sequence which is entirely in the language of Ukraine, as Raya is being photographed, Luba whispers while mouthing the word "smile" in English.