Continuity mistake: At the beginning, when Rochefort walks out onto the balcony to address the Musketeers in the courtyard, the guard on Rochefort's left obviously changes halberd/pikes between shots as they are completely different. (00:08:20)
Continuity mistake: When Schindler kisses the girl at his birthday, he keeps his hands on her shoulders, but in the next shot they are on her cheeks.