Continuity mistake: When the Tartar princess Bortai is first shown, and throughout the first part of the scene when John Wayne and Pedro Armendáriz ride to check her out, she lies in a litter shrouded in shadows or perfectly lit, depending on the shot. (00:03:40)
Continuity mistake: When the soldier finds the other soldier dead, having been hanged from a tree by Indians, he panics and flees. Between shots the halberd weapon he was holding vanishes. (00:22:59)
Continuity mistake: The trees outside the court windows (behind the Judges) change places.
Continuity mistake: When Lenny is directing the choir, and really getting into it, the cigarette he has jumps from his mouth to his hand instantly.
Continuity mistake: When Rodrigues finds the words "Laudate eum" on the wall, the close-up shot shows both his hands on the wall, but when the shot cuts, one hand is suddenly over his mouth. (02:11:40)