When Templar has a fight with Kirill and Pyotr, the two Russians, in his hotel room, Kirill gets thrown across the room, but when he's seen getting up, he is on the opposite side of the room by the door.
When they approach the border, their car changes several times between a rear engine Skoda 1000mb, and an older, front engine Skoda Octavia.
When Templer is fighting the Russians in the Bank, a hat box is thrown at him which misses him and breaks the window leaving shards of glass in the pane area. Templer's hair is ruffled. In the next shot, the shards have gone from the pane area and Templer's hair is unruffled.
The female agent identifies herself to Simon at the cocktail party as "Milanova" yet is credited as "Milanov". The correct Russian spelling would be "-ova" for a woman, not "-ov".