Continuity mistake: When Amelia is meeting with Fred Noonan at the open aired restaurant in New Guinea, right when Amelia sits down, the waitress repeatedly sets a glass of water in front of Amelia. It happens 3 times.
Continuity mistake: The special mortar that Julia's husband gives her doesn't look the same as the one Julie sees in the kitchen display. It's indicated that it's the same one.
Continuity mistake: In the scene in the woods where Tolstoy signs away the rights to his writings, the buttons on Valentin Fyodorovich Bulgakov's shirt collar are on the left side of his neck until the last shot, where the buttons have moved to the right side of his neck. (01:05:05 - 01:07:15)
Continuity mistake: During the scene when Notorious B.I.G. is in the hotel room talking to Faith Evans on the phone, you can see a silhouette of a woman in the background. Several times in a row when the scene cuts back to Notorious, the silhouette is shown making the same movement of walking forward and sitting on the edge of the bed.