Continuity mistake: The morning after her wedding night, we see Mary walking with Anne telling her about the wedding night, notice Mary's braids in her hair, one braid is in a circle, yet in the next scene where Mary and Anne are folding a blanket, her braid is now down in one long braid. (00:12:20 - 00:15:30)
Continuity mistake: On the morning of July 20, Stauffenberg cuts himself while shaving, leaving a noticeable mark on his neck. After he arms the bomb at the Wolf's Lair, the cut disappears. (01:02:40 - 01:06:15)
Continuity mistake: At the beginning of the film when Georgiana is talking with her mother about her engagement, the curl running down the back of Georgiana's neck disappears and reappears multiple times.
Continuity mistake: When Bob Zelnick jokes about wiretapping Donald Nixon, his arm moves from resting on the tabletop to under his chin between shots. (00:39:40)