Continuity mistake: The closeup of the Soda City calendar shows a much heavier coating of spider webs than the previous shot.
Visible crew/equipment: Towards the end of the fairground scene, as Michael and Ellen are walking to the right, and just before the cop tells them one of the stolen bills has been passed to the dress shop, the shadow of the boom microphone is visible across the brick wall in the background. (00:22:20)
Continuity mistake: After Meade's third "Schiller" call, Schiller turns to his boss and says, "Yes, sir." In the next shot, the distance between Meade and Schiller has changed. (00:55:15)
Continuity mistake: Robert Cummings is talking to a Viennese doctor. The doctor lights a match for his pipe. Then, in the next shot, there is no match.