Donfield tosses the Project Strigas documents onto the floor, landing in a small pile. When the buyers approach, the documents are now spread about the floor.
When the stabbed Charlie stumbles onto the staircase in the embassy, the words (ending in YL893) he says to Kurasov are obviously dubbed over as his mouth does not match what he is saying in the exact timing.
Anne Donfield's first line is obviously dubbed in as all of the background noise stops when she is talking & then continues as soon as she is done speaking.
Leonard Nimoy doesn't maintain his character's "Eastern European accent" throughout the show. He slips in and out of the accent in the middle of sentences throughout the show and also says some complete sentences in his natural voice.